64030525 has 24 divisors (see below), whose sum is σ = 85938944. Its totient is φ = 47044800.

The previous prime is 64030523. The next prime is 64030529. The reversal of 64030525 is 52503046.

It is not a de Polignac number, because 64030525 - 2¹ = 64030523 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 64030525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64030523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87712 + ... + 88438.

Almost surely, 2^64030525 is an apocalyptic number.

64030525 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64030525 is a deficient number, since it is larger than the sum of its proper divisors (21908419).

64030525 is a wasteful number, since it uses less digits than its factorization.

64030525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1016 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 64030525 is about 8001.9075850700. The cubic root of 64030525 is about 400.0635836423.

The spelling of 64030525 in words is "sixty-four million, thirty thousand, five hundred twenty-five".