64266025 has 12 divisors (see below), whose sum is σ = 83155392. Its totient is φ = 49177040.

The previous prime is 64266023. The next prime is 64266043. The reversal of 64266025 is 52066246.

It is not a de Polignac number, because 64266025 - 2¹ = 64266023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (64266023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55309 + ... + 56458.

It is an arithmetic number, because the mean of its divisors is an integer number (6929616).

Almost surely, 2^64266025 is an apocalyptic number.

It is an amenable number.

64266025 is a deficient number, since it is larger than the sum of its proper divisors (18889367).

64266025 is a wasteful number, since it uses less digits than its factorization.

64266025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111800 (or 111795 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 64266025 is about 8016.6093206542. The cubic root of 64266025 is about 400.5534526223.

The spelling of 64266025 in words is "sixty-four million, two hundred sixty-six thousand, twenty-five".