651005057 has 2 divisors, whose sum is σ = 651005058. Its totient is φ = 651005056.

The previous prime is 651005051. The next prime is 651005059. The reversal of 651005057 is 750500156.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 328479376 + 322525681 = 18124^2 + 17959^2 .

It is a cyclic number.

It is not a de Polignac number, because 651005057 - 2¹⁴ = 650988673 is a prime.

Together with 651005059, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (651005051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325502528 + 325502529.

It is an arithmetic number, because the mean of its divisors is an integer number (325502529).

Almost surely, 2^651005057 is an apocalyptic number.

It is an amenable number.

651005057 is a deficient number, since it is larger than the sum of its proper divisors (1).

651005057 is an equidigital number, since it uses as much as digits as its factorization.

651005057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 651005057 is about 25514.8007438820. The cubic root of 651005057 is about 866.6853470497.

The spelling of 651005057 in words is "six hundred fifty-one million, five thousand, fifty-seven".