2520604331 has 16 divisors (see below), whose sum is σ = 3053500416. Its totient is φ = 2031190656.

The previous prime is 2520604321. The next prime is 2520604357. The reversal of 2520604331 is 1334060252.

It is a cyclic number.

It is not a de Polignac number, because 2520604331 - 2¹⁰ = 2520603307 is a prime.

It is a super-2 number, since 2×2520604331² = 12706892386911915122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2520604331.

It is not an unprimeable number, because it can be changed into a prime (2520604321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101510 + ... + 123876.

It is an arithmetic number, because the mean of its divisors is an integer number (190843776).

Almost surely, 2^2520604331 is an apocalyptic number.

2520604331 is a deficient number, since it is larger than the sum of its proper divisors (532896085).

2520604331 is a wasteful number, since it uses less digits than its factorization.

2520604331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23338.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2520604331 is about 50205.6205120502. The cubic root of 2520604331 is about 1360.9271955488.

Adding to 2520604331 its reverse (1334060252), we get a palindrome (3854664583).

The spelling of 2520604331 in words is "two billion, five hundred twenty million, six hundred four thousand, three hundred thirty-one".