2520537172 has 6 divisors (see below), whose sum is σ = 4410940058. Its totient is φ = 1260268584.

The previous prime is 2520537161. The next prime is 2520537191. The reversal of 2520537172 is 2717350252.

It can be written as a sum of positive squares in only one way, i.e., 2477451076 + 43086096 = 49774^2 + 6564^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315067143 + ... + 315067150.

Almost surely, 2^2520537172 is an apocalyptic number.

It is an amenable number.

2520537172 is a deficient number, since it is larger than the sum of its proper divisors (1890402886).

2520537172 is a wasteful number, since it uses less digits than its factorization.

2520537172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630134297 (or 630134295 counting only the distinct ones).

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 2520537172 is about 50204.9516681373. The cubic root of 2520537172 is about 1360.9151085901.

The spelling of 2520537172 in words is "two billion, five hundred twenty million, five hundred thirty-seven thousand, one hundred seventy-two".