3215972573 has 4 divisors (see below), whose sum is σ = 3508333728. Its totient is φ = 2923611420.

The previous prime is 3215972567. The next prime is 3215972621. The reversal of 3215972573 is 3752795123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3215972573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215972503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146180561 + ... + 146180582.

It is an arithmetic number, because the mean of its divisors is an integer number (877083432).

Almost surely, 2^3215972573 is an apocalyptic number.

It is an amenable number.

3215972573 is a deficient number, since it is larger than the sum of its proper divisors (292361155).

3215972573 is a wasteful number, since it uses less digits than its factorization.

3215972573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292361154.

The product of its digits is 396900, while the sum is 44.

The square root of 3215972573 is about 56709.5456955881. The cubic root of 3215972573 is about 1476.0603423026.

The spelling of 3215972573 in words is "three billion, two hundred fifteen million, nine hundred seventy-two thousand, five hundred seventy-three".