64134025 has 12 divisors (see below), whose sum is σ = 83712400. Its totient is φ = 48606480.

The previous prime is 64133989. The next prime is 64134053. The reversal of 64134025 is 52043146.

It is not a de Polignac number, because 64134025 - 2¹³ = 64125833 is a prime.

It is a super-2 number, since 2×64134025² = 8226346325401250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67035 + ... + 67984.

Almost surely, 2^64134025 is an apocalyptic number.

It is an amenable number.

64134025 is a deficient number, since it is larger than the sum of its proper divisors (19578375).

64134025 is a wasteful number, since it uses less digits than its factorization.

64134025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135048 (or 135043 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 64134025 is about 8008.3721816609. The cubic root of 64134025 is about 400.2790240687.

The spelling of 64134025 in words is "sixty-four million, one hundred thirty-four thousand, twenty-five".