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25007532425 = 522473404489
BaseRepresentation
bin10111010010100100…
…001010100110001001
32101112211002021100122
4113102210022212021
5402203412014200
615253250113025
71543465342541
oct272244124611
971484067318
1025007532425
11a673111277
124a1ab7b775
132486c72b85
1412d3388321
159b56ae385
hex5d290a989

25007532425 has 12 divisors (see below), whose sum is σ = 31021956060. Its totient is φ = 19997886720.

The previous prime is 25007532413. The next prime is 25007532439. The reversal of 25007532425 is 52423570052.

It can be written as a sum of positive squares in 6 ways, for example, as 239382784 + 24768149641 = 15472^2 + 157379^2 .

It is not a de Polignac number, because 25007532425 - 24 = 25007532409 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140420 + ... + 264069.

It is an arithmetic number, because the mean of its divisors is an integer number (2585163005).

Almost surely, 225007532425 is an apocalyptic number.

25007532425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25007532425 is a deficient number, since it is larger than the sum of its proper divisors (6014423635).

25007532425 is a wasteful number, since it uses less digits than its factorization.

25007532425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406972 (or 406967 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 35.

The spelling of 25007532425 in words is "twenty-five billion, seven million, five hundred thirty-two thousand, four hundred twenty-five".

Divisors: 1 5 25 2473 12365 61825 404489 2022445 10112225 1000301297 5001506485 25007532425