2520622751 has 2 divisors, whose sum is σ = 2520622752. Its totient is φ = 2520622750.

The previous prime is 2520622733. The next prime is 2520622757. The reversal of 2520622751 is 1572260252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2520622751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2520622757) 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 as a sum of consecutive naturals, namely, 1260311375 + 1260311376.

It is an arithmetic number, because the mean of its divisors is an integer number (1260311376).

Almost surely, 2^2520622751 is an apocalyptic number.

2520622751 is a deficient number, since it is larger than the sum of its proper divisors (1).

2520622751 is an equidigital number, since it uses as much as digits as its factorization.

2520622751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 2520622751 is about 50205.8039573115. The cubic root of 2520622751 is about 1360.9305106556.

The spelling of 2520622751 in words is "two billion, five hundred twenty million, six hundred twenty-two thousand, seven hundred fifty-one".