2152217504 has 24 divisors (see below), whose sum is σ = 4238744580. Its totient is φ = 1075710976.

The previous prime is 2152217503. The next prime is 2152217519. The reversal of 2152217504 is 4057122512.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2148137104 + 4080400 = 46348^2 + 2020^2 .

It is not an unprimeable number, because it can be changed into a prime (2152217503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87962 + ... + 109734.

Almost surely, 2^2152217504 is an apocalyptic number.

It is an amenable number.

2152217504 is a deficient number, since it is larger than the sum of its proper divisors (2086527076).

2152217504 is a wasteful number, since it uses less digits than its factorization.

2152217504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24872 (or 24864 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 2152217504 is about 46391.9982755647. The cubic root of 2152217504 is about 1291.1064569056.

The spelling of 2152217504 in words is "two billion, one hundred fifty-two million, two hundred seventeen thousand, five hundred four".