2564812051 has 2 divisors, whose sum is σ = 2564812052. Its totient is φ = 2564812050.

The previous prime is 2564812037. The next prime is 2564812067. The reversal of 2564812051 is 1502184652.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2564812051 - 2²¹ = 2562714899 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2564811998 and 2564812016.

It is not a weakly prime, because it can be changed into another prime (2564812351) 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, 1282406025 + 1282406026.

It is an arithmetic number, because the mean of its divisors is an integer number (1282406026).

Almost surely, 2^2564812051 is an apocalyptic number.

2564812051 is a deficient number, since it is larger than the sum of its proper divisors (1).

2564812051 is an equidigital number, since it uses as much as digits as its factorization.

2564812051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 2564812051 is about 50643.9734914234. The cubic root of 2564812051 is about 1368.8373553750.

The spelling of 2564812051 in words is "two billion, five hundred sixty-four million, eight hundred twelve thousand, fifty-one".