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25107425 = 527532707
BaseRepresentation
bin101111111000…
…1101111100001
31202020120220122
41133301233201
522411414200
62254050025
7423260330
oct137615741
952216818
1025107425
1113199642
1284a9915
135281085
143497d17
15230e385
hex17f1be1

25107425 has 24 divisors (see below), whose sum is σ = 36265536. Its totient is φ = 16885440.

The previous prime is 25107413. The next prime is 25107437. The reversal of 25107425 is 52470152.

It is an interprime number because it is at equal distance from previous prime (25107413) and next prime (25107437).

It is not a de Polignac number, because 25107425 - 26 = 25107361 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25107394 and 25107403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7922 + ... + 10628.

It is an arithmetic number, because the mean of its divisors is an integer number (1511064).

Almost surely, 225107425 is an apocalyptic number.

25107425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25107425 is a deficient number, since it is larger than the sum of its proper divisors (11158111).

25107425 is a wasteful number, since it uses less digits than its factorization.

25107425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777 (or 2772 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 25107425 is about 5010.7309845970. The cubic root of 25107425 is about 292.8199921714.

Adding to 25107425 its reverse (52470152), we get a palindrome (77577577).

The spelling of 25107425 in words is "twenty-five million, one hundred seven thousand, four hundred twenty-five".

Divisors: 1 5 7 25 35 53 175 265 371 1325 1855 2707 9275 13535 18949 67675 94745 143471 473725 717355 1004297 3586775 5021485 25107425