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25061705 = 511344357
BaseRepresentation
bin101111110011…
…0100101001001
31202011021012022
41133212211021
522403433310
62253054225
7423010124
oct137464511
952137168
1025061705
1113168259
128487375
135266316
1434853bb
152300a55
hex17e6949

25061705 has 8 divisors (see below), whose sum is σ = 30340872. Its totient is φ = 19871488.

The previous prime is 25061693. The next prime is 25061717. The reversal of 25061705 is 50716052.

It is an interprime number because it is at equal distance from previous prime (25061693) and next prime (25061717).

It can be written as a sum of positive squares in 4 ways, for example, as 1713481 + 23348224 = 1309^2 + 4832^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25061705 - 218 = 24799561 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21614 + ... + 22743.

It is an arithmetic number, because the mean of its divisors is an integer number (3792609).

Almost surely, 225061705 is an apocalyptic number.

It is an amenable number.

25061705 is a deficient number, since it is larger than the sum of its proper divisors (5279167).

25061705 is a wasteful number, since it uses less digits than its factorization.

25061705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44475.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 25061705 is about 5006.1666971846. The cubic root of 25061705 is about 292.6421448544.

Adding to 25061705 its reverse (50716052), we get a palindrome (75777757).

The spelling of 25061705 in words is "twenty-five million, sixty-one thousand, seven hundred five".

Divisors: 1 5 113 565 44357 221785 5012341 25061705