2151170524 has 6 divisors (see below), whose sum is σ = 3764548424. Its totient is φ = 1075585260.

The previous prime is 2151170521. The next prime is 2151170573. The reversal of 2151170524 is 4250711512.

It is a junction number, because it is equal to n+sod(n) for n = 2151170492 and 2151170501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151170521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268896312 + ... + 268896319.

Almost surely, 2^2151170524 is an apocalyptic number.

It is an amenable number.

2151170524 is a deficient number, since it is larger than the sum of its proper divisors (1613377900).

2151170524 is a wasteful number, since it uses less digits than its factorization.

2151170524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537792635 (or 537792633 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2151170524 is about 46380.7128448884. The cubic root of 2151170524 is about 1290.8970632778.

The spelling of 2151170524 in words is "two billion, one hundred fifty-one million, one hundred seventy thousand, five hundred twenty-four".