6252506657 has 2 divisors, whose sum is σ = 6252506658. Its totient is φ = 6252506656.

The previous prime is 6252506573. The next prime is 6252506693. The reversal of 6252506657 is 7566052526.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6113832481 + 138674176 = 78191^2 + 11776^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6252506657 is a prime.

It is a super-3 number, since 3×6252506657³ (a number of 30 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (6252506357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3126253328 + 3126253329.

It is an arithmetic number, because the mean of its divisors is an integer number (3126253329).

Almost surely, 2^6252506657 is an apocalyptic number.

It is an amenable number.

6252506657 is a deficient number, since it is larger than the sum of its proper divisors (1).

6252506657 is an equidigital number, since it uses as much as digits as its factorization.

6252506657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 44.

The square root of 6252506657 is about 79072.7934058232. The cubic root of 6252506657 is about 1842.2619724951.

The spelling of 6252506657 in words is "six billion, two hundred fifty-two million, five hundred six thousand, six hundred fifty-seven".