25057497 has 8 divisors (see below), whose sum is σ = 33473920. Its totient is φ = 16673040.

The previous prime is 25057471. The next prime is 25057553. The reversal of 25057497 is 79475052.

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

It is not a de Polignac number, because 25057497 - 2⁷ = 25057369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25057597) 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, 6097 + ... + 9342.

It is an arithmetic number, because the mean of its divisors is an integer number (4184240).

Almost surely, 2^25057497 is an apocalyptic number.

It is an amenable number.

25057497 is a deficient number, since it is larger than the sum of its proper divisors (8416423).

25057497 is a wasteful number, since it uses less digits than its factorization.

25057497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15983.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 25057497 is about 5005.7463978911. The cubic root of 25057497 is about 292.6257651884.

The spelling of 25057497 in words is "twenty-five million, fifty-seven thousand, four hundred ninety-seven".