64132530 has 64 divisors (see below), whose sum is σ = 191904768. Its totient is φ = 13325760.

The previous prime is 64132511. The next prime is 64132531. The reversal of 64132530 is 3523146.

It is a happy number.

It is a super-2 number, since 2×64132530² = 8225962808401800, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 64132530.

It is not an unprimeable number, because it can be changed into a prime (64132531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11572 + ... + 16191.

It is an arithmetic number, because the mean of its divisors is an integer number (2998512).

Almost surely, 2^64132530 is an apocalyptic number.

64132530 is an abundant number, since it is smaller than the sum of its proper divisors (127772238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64132530 is a wasteful number, since it uses less digits than its factorization.

64132530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27791.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 64132530 is about 8008.2788412992. The cubic root of 64132530 is about 400.2759138018.

Adding to 64132530 its reverse (3523146), we get a palindrome (67655676).

The spelling of 64132530 in words is "sixty-four million, one hundred thirty-two thousand, five hundred thirty".