2137504 has 12 divisors (see below), whose sum is σ = 4208274. Its totient is φ = 1068736.

The previous prime is 2137493. The next prime is 2137507. The reversal of 2137504 is 4057312.

It can be written as a sum of positive squares in only one way, i.e., 2016400 + 121104 = 1420^2 + 348^2 .

It is not an unprimeable number, because it can be changed into a prime (2137507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33367 + ... + 33430.

2^2137504 is an apocalyptic number.

It is an amenable number.

2137504 is a deficient number, since it is larger than the sum of its proper divisors (2070770).

2137504 is an equidigital number, since it uses as much as digits as its factorization.

2137504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66807 (or 66799 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2137504 is about 1462.0205196918. The cubic root of 2137504 is about 128.8157536381.

The spelling of 2137504 in words is "two million, one hundred thirty-seven thousand, five hundred four".