2521129 has 16 divisors (see below), whose sum is σ = 2923200. Its totient is φ = 2154816.

The previous prime is 2521111. The next prime is 2521147. The reversal of 2521129 is 9211252.

It is an interprime number because it is at equal distance from previous prime (2521111) and next prime (2521147).

It is a cyclic number.

It is not a de Polignac number, because 2521129 - 2¹⁷ = 2390057 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14487 + ... + 14659.

It is an arithmetic number, because the mean of its divisors is an integer number (182700).

2^2521129 is an apocalyptic number.

It is an amenable number.

2521129 is a deficient number, since it is larger than the sum of its proper divisors (402071).

2521129 is a wasteful number, since it uses less digits than its factorization.

2521129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264.

The product of its digits is 360, while the sum is 22.

The square root of 2521129 is about 1587.8063483939. The cubic root of 2521129 is about 136.1021615601.

The spelling of 2521129 in words is "two million, five hundred twenty-one thousand, one hundred twenty-nine".