2520737651 has 2 divisors, whose sum is σ = 2520737652. Its totient is φ = 2520737650.

The previous prime is 2520737621. The next prime is 2520737663. The reversal of 2520737651 is 1567370252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2520737651 - 2²⁶ = 2453628787 is a prime.

It is not a weakly prime, because it can be changed into another prime (2520737621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260368825 + 1260368826.

It is an arithmetic number, because the mean of its divisors is an integer number (1260368826).

Almost surely, 2^2520737651 is an apocalyptic number.

2520737651 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520737651 is an equidigital number, since it uses as much as digits as its factorization.

2520737651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 2520737651 is about 50206.9482342833. The cubic root of 2520737651 is about 1360.9511892148.

The spelling of 2520737651 in words is "two billion, five hundred twenty million, seven hundred thirty-seven thousand, six hundred fifty-one".