2151206572 has 12 divisors (see below), whose sum is σ = 3789878400. Its totient is φ = 1068384176.

The previous prime is 2151206567. The next prime is 2151206579. The reversal of 2151206572 is 2756021512.

It is not an unprimeable number, because it can be changed into a prime (2151206579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1804108 + ... + 1805299.

It is an arithmetic number, because the mean of its divisors is an integer number (315823200).

Almost surely, 2^2151206572 is an apocalyptic number.

It is an amenable number.

2151206572 is a deficient number, since it is larger than the sum of its proper divisors (1638671828).

2151206572 is a wasteful number, since it uses less digits than its factorization.

2151206572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3609560 (or 3609558 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 2151206572 is about 46381.1014530703. The cubic root of 2151206572 is about 1290.9042739254.

The spelling of 2151206572 in words is "two billion, one hundred fifty-one million, two hundred six thousand, five hundred seventy-two".