2520187 has 12 divisors (see below), whose sum is σ = 2725920. Its totient is φ = 2326128.

The previous prime is 2520173. The next prime is 2520191. The reversal of 2520187 is 7810252.

It is a de Polignac number, because none of the positive numbers 2^k-2520187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53598 + ... + 53644.

It is an arithmetic number, because the mean of its divisors is an integer number (227160).

2^2520187 is an apocalyptic number.

2520187 is a deficient number, since it is larger than the sum of its proper divisors (205733).

2520187 is an equidigital number, since it uses as much as digits as its factorization.

2520187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 2520187 is about 1587.5096850098. The cubic root of 2520187 is about 136.0852082814.

The spelling of 2520187 in words is "two million, five hundred twenty thousand, one hundred eighty-seven".