2521074236 has 12 divisors (see below), whose sum is σ = 4412395512. Its totient is φ = 1260389808.

The previous prime is 2521074233. The next prime is 2521074263. The reversal of 2521074236 is 6324701252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521074233) 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 3 ways as a sum of consecutive naturals, for example, 7646 + ... + 71418.

It is an arithmetic number, because the mean of its divisors is an integer number (367699626).

Almost surely, 2^2521074236 is an apocalyptic number.

It is an amenable number.

2521074236 is a deficient number, since it is larger than the sum of its proper divisors (1891321276).

2521074236 is a wasteful number, since it uses less digits than its factorization.

2521074236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73660 (or 73658 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 2521074236 is about 50210.3000986849. The cubic root of 2521074236 is about 1361.0117608189.

Adding to 2521074236 its reverse (6324701252), we get a palindrome (8845775488).

The spelling of 2521074236 in words is "two billion, five hundred twenty-one million, seventy-four thousand, two hundred thirty-six".