325066536 has 24 divisors (see below), whose sum is σ = 880388730. Its totient is φ = 108355488.

The previous prime is 325066531. The next prime is 325066549. The reversal of 325066536 is 635660523.

It can be written as a sum of positive squares in only one way, i.e., 190274436 + 134792100 = 13794^2 + 11610^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 325066536.

It is not an unprimeable number, because it can be changed into a prime (325066531) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2257335 + ... + 2257478.

Almost surely, 2^325066536 is an apocalyptic number.

325066536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

325066536 is an abundant number, since it is smaller than the sum of its proper divisors (555322194).

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

325066536 is a wasteful number, since it uses less digits than its factorization.

325066536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514825 (or 4514818 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 36.

The square root of 325066536 is about 18029.6016594932. The cubic root of 325066536 is about 687.5813490957.

The spelling of 325066536 in words is "three hundred twenty-five million, sixty-six thousand, five hundred thirty-six".