25064479 has 8 divisors (see below), whose sum is σ = 27475200. Its totient is φ = 22675800.

The previous prime is 25064471. The next prime is 25064483. The reversal of 25064479 is 97446052.

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 25064479 - 2³ = 25064471 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 (25064471) 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, 3079 + ... + 7720.

It is an arithmetic number, because the mean of its divisors is an integer number (3434400).

Almost surely, 2^25064479 is an apocalyptic number.

25064479 is a deficient number, since it is larger than the sum of its proper divisors (2410721).

25064479 is a wasteful number, since it uses less digits than its factorization.

25064479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11021.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 25064479 is about 5006.4437478114. The cubic root of 25064479 is about 292.6529416639.

The spelling of 25064479 in words is "twenty-five million, sixty-four thousand, four hundred seventy-nine".