25085957 has 8 divisors (see below), whose sum is σ = 27947640. Its totient is φ = 22357440.

The previous prime is 25085953. The next prime is 25085971. The reversal of 25085957 is 75958052.

It can be written as a sum of positive squares in 4 ways, for example, as 4301476 + 20784481 = 2074^2 + 4559^2 .

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 25085957 - 2² = 25085953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25085953) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32894 + ... + 33647.

It is an arithmetic number, because the mean of its divisors is an integer number (3493455).

Almost surely, 2^25085957 is an apocalyptic number.

It is an amenable number.

25085957 is a deficient number, since it is larger than the sum of its proper divisors (2861683).

25085957 is a wasteful number, since it uses less digits than its factorization.

25085957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66583.

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 25085957 is about 5008.5883240690. The cubic root of 25085957 is about 292.7365101984.

The spelling of 25085957 in words is "twenty-five million, eighty-five thousand, nine hundred fifty-seven".