2125513504 has 12 divisors (see below), whose sum is σ = 4184604774. Its totient is φ = 1062756736.

The previous prime is 2125513493. The next prime is 2125513517. The reversal of 2125513504 is 4053155212.

It can be written as a sum of positive squares in only one way, i.e., 1207423504 + 918090000 = 34748^2 + 30300^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33211117 + ... + 33211180.

Almost surely, 2^2125513504 is an apocalyptic number.

It is an amenable number.

2125513504 is a deficient number, since it is larger than the sum of its proper divisors (2059091270).

2125513504 is an equidigital number, since it uses as much as digits as its factorization.

2125513504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66422307 (or 66422299 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 2125513504 is about 46103.2916829157. The cubic root of 2125513504 is about 1285.7443449010.

Adding to 2125513504 its reverse (4053155212), we get a palindrome (6178668716).

The spelling of 2125513504 in words is "two billion, one hundred twenty-five million, five hundred thirteen thousand, five hundred four".