2251530572 has 12 divisors (see below), whose sum is σ = 3940531056. Its totient is φ = 1125664560.

The previous prime is 2251530551. The next prime is 2251530581. The reversal of 2251530572 is 2750351522.

It is an unprimeable number.

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, 50153 + ... + 83775.

It is an arithmetic number, because the mean of its divisors is an integer number (328377588).

Almost surely, 2^2251530572 is an apocalyptic number.

It is an amenable number.

2251530572 is a deficient number, since it is larger than the sum of its proper divisors (1689000484).

2251530572 is a wasteful number, since it uses less digits than its factorization.

2251530572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50368 (or 50366 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 2251530572 is about 47450.2958051897. The cubic root of 2251530572 is about 1310.6677581554.

The spelling of 2251530572 in words is "two billion, two hundred fifty-one million, five hundred thirty thousand, five hundred seventy-two".