64162525 has 48 divisors (see below), whose sum is σ = 99993600. Its totient is φ = 39821760.

The previous prime is 64162519. The next prime is 64162541. The reversal of 64162525 is 52526146.

It is not a de Polignac number, because 64162525 - 2³ = 64162517 is a prime.

It is a super-2 number, since 2×64162525² = 8233659228751250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 76056 + ... + 76894.

It is an arithmetic number, because the mean of its divisors is an integer number (2083200).

Almost surely, 2^64162525 is an apocalyptic number.

It is an amenable number.

64162525 is a deficient number, since it is larger than the sum of its proper divisors (35831075).

64162525 is a wasteful number, since it uses less digits than its factorization.

64162525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 893 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 64162525 is about 8010.1513718531. The cubic root of 64162525 is about 400.3383075394.

The spelling of 64162525 in words is "sixty-four million, one hundred sixty-two thousand, five hundred twenty-five".