64532105 has 16 divisors (see below), whose sum is σ = 87393600. Its totient is φ = 45312960.

The previous prime is 64532099. The next prime is 64532131. The reversal of 64532105 is 50123546.

It is a de Polignac number, because none of the positive numbers 2^k-64532105 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18635 + ... + 21824.

It is an arithmetic number, because the mean of its divisors is an integer number (5462100).

Almost surely, 2^64532105 is an apocalyptic number.

It is an amenable number.

64532105 is a deficient number, since it is larger than the sum of its proper divisors (22861495).

64532105 is a wasteful number, since it uses less digits than its factorization.

64532105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40504.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 64532105 is about 8033.1877234383. The cubic root of 64532105 is about 401.1054939763.

It can be divided in two parts, 6453 and 2105, that added together give a palindrome (8558).

The spelling of 64532105 in words is "sixty-four million, five hundred thirty-two thousand, one hundred five".