25265017 has 4 divisors (see below), whose sum is σ = 26363520. Its totient is φ = 24166516.

The previous prime is 25265011. The next prime is 25265021. The reversal of 25265017 is 71056252.

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 a de Polignac number, because none of the positive numbers 2^k-25265017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25265011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549217 + ... + 549262.

It is an arithmetic number, because the mean of its divisors is an integer number (6590880).

Almost surely, 2^25265017 is an apocalyptic number.

It is an amenable number.

25265017 is a deficient number, since it is larger than the sum of its proper divisors (1098503).

25265017 is a wasteful number, since it uses less digits than its factorization.

25265017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098502.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 25265017 is about 5026.4318358056. The cubic root of 25265017 is about 293.4313634417.

The spelling of 25265017 in words is "twenty-five million, two hundred sixty-five thousand, seventeen".