64612425 has 12 divisors (see below), whose sum is σ = 106826000. Its totient is φ = 34459920.

The previous prime is 64612421. The next prime is 64612439. The reversal of 64612425 is 52421646.

It is not a de Polignac number, because 64612425 - 2² = 64612421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64612392 and 64612401.

It is not an unprimeable number, because it can be changed into a prime (64612421) 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, 430675 + ... + 430824.

Almost surely, 2^64612425 is an apocalyptic number.

It is an amenable number.

64612425 is a deficient number, since it is larger than the sum of its proper divisors (42213575).

64612425 is a wasteful number, since it uses less digits than its factorization.

64612425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861512 (or 861507 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 64612425 is about 8038.1854295606. The cubic root of 64612425 is about 401.2718372060.

The spelling of 64612425 in words is "sixty-four million, six hundred twelve thousand, four hundred twenty-five".