25475057 has 4 divisors (see below), whose sum is σ = 25675776. Its totient is φ = 25274340.

The previous prime is 25475039. The next prime is 25475077. The reversal of 25475057 is 75057452.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25475057 - 2¹⁶ = 25409521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25475077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100169 + ... + 100422.

It is an arithmetic number, because the mean of its divisors is an integer number (6418944).

Almost surely, 2^25475057 is an apocalyptic number.

It is an amenable number.

25475057 is a deficient number, since it is larger than the sum of its proper divisors (200719).

25475057 is a wasteful number, since it uses less digits than its factorization.

25475057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200718.

The product of its (nonzero) digits is 49000, while the sum is 35.

The square root of 25475057 is about 5047.2821399244. The cubic root of 25475057 is about 294.2422648711.

The spelling of 25475057 in words is "twenty-five million, four hundred seventy-five thousand, fifty-seven".