64411025 has 36 divisors (see below), whose sum is σ = 94565376. Its totient is φ = 42631200.

The previous prime is 64411021. The next prime is 64411027. The reversal of 64411025 is 52011446.

It is not a de Polignac number, because 64411025 - 2² = 64411021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64411021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 167984 + ... + 168366.

It is an arithmetic number, because the mean of its divisors is an integer number (2626816).

Almost surely, 2^64411025 is an apocalyptic number.

It is an amenable number.

64411025 is a deficient number, since it is larger than the sum of its proper divisors (30154351).

64411025 is a wasteful number, since it uses less digits than its factorization.

64411025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 64411025 is about 8025.6479489198. The cubic root of 64411025 is about 400.8544754628.

The spelling of 64411025 in words is "sixty-four million, four hundred eleven thousand, twenty-five".