2521262012 has 12 divisors (see below), whose sum is σ = 4413445176. Its totient is φ = 1260277680.

The previous prime is 2521261991. The next prime is 2521262017. The reversal of 2521262012 is 2102621252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521262017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71939 + ... + 101082.

It is an arithmetic number, because the mean of its divisors is an integer number (367787098).

Almost surely, 2^2521262012 is an apocalyptic number.

It is an amenable number.

2521262012 is a deficient number, since it is larger than the sum of its proper divisors (1892183164).

2521262012 is a wasteful number, since it uses less digits than its factorization.

2521262012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176668 (or 176666 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 2521262012 is about 50212.1699590846. The cubic root of 2521262012 is about 1361.0455505153.

Adding to 2521262012 its reverse (2102621252), we get a palindrome (4623883264).

The spelling of 2521262012 in words is "two billion, five hundred twenty-one million, two hundred sixty-two thousand, twelve".