25412665 has 8 divisors (see below), whose sum is σ = 31144320. Its totient is φ = 19897392.

The previous prime is 25412659. The next prime is 25412669. The reversal of 25412665 is 56621452.

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 25412665 - 2⁷ = 25412537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25412669) 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 7 ways as a sum of consecutive naturals, for example, 53835 + ... + 54304.

It is an arithmetic number, because the mean of its divisors is an integer number (3893040).

Almost surely, 2^25412665 is an apocalyptic number.

It is an amenable number.

25412665 is a deficient number, since it is larger than the sum of its proper divisors (5731655).

25412665 is a wasteful number, since it uses less digits than its factorization.

25412665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108191.

The product of its digits is 14400, while the sum is 31.

The square root of 25412665 is about 5041.0975987378. The cubic root of 25412665 is about 294.0018549253.

The spelling of 25412665 in words is "twenty-five million, four hundred twelve thousand, six hundred sixty-five".