2520126651 has 16 divisors (see below), whose sum is σ = 3972614400. Its totient is φ = 1390414368.

The previous prime is 2520126641. The next prime is 2520126667. The reversal of 2520126651 is 1566210252.

2520126651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2520126651 - 2⁵ = 2520126619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520126641) 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, 2068461 + ... + 2069678.

It is an arithmetic number, because the mean of its divisors is an integer number (248288400).

Almost surely, 2^2520126651 is an apocalyptic number.

2520126651 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2520126651 is a deficient number, since it is larger than the sum of its proper divisors (1452487749).

2520126651 is a wasteful number, since it uses less digits than its factorization.

2520126651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138178.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 2520126651 is about 50200.8630503500. The cubic root of 2520126651 is about 1360.8412202974.

The spelling of 2520126651 in words is "two billion, five hundred twenty million, one hundred twenty-six thousand, six hundred fifty-one".