64130825 has 24 divisors (see below), whose sum is σ = 88196736. Its totient is φ = 45864000.

The previous prime is 64130813. The next prime is 64130837. The reversal of 64130825 is 52803146.

64130825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64130813) and next prime (64130837).

It is not a de Polignac number, because 64130825 - 2⁶ = 64130761 is a prime.

It is a super-2 number, since 2×64130825² = 8225525430361250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14864 + ... + 18686.

It is an arithmetic number, because the mean of its divisors is an integer number (3674864).

Almost surely, 2^64130825 is an apocalyptic number.

It is an amenable number.

64130825 is a deficient number, since it is larger than the sum of its proper divisors (24065911).

64130825 is a wasteful number, since it uses less digits than its factorization.

64130825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905 (or 3900 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 64130825 is about 8008.1723882544. The cubic root of 64130825 is about 400.2723665824.

The spelling of 64130825 in words is "sixty-four million, one hundred thirty thousand, eight hundred twenty-five".