625725151 has 2 divisors, whose sum is σ = 625725152. Its totient is φ = 625725150.

The previous prime is 625725077. The next prime is 625725161. The reversal of 625725151 is 151527526.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 625725151 - 2⁹ = 625724639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625725161) 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, 312862575 + 312862576.

It is an arithmetic number, because the mean of its divisors is an integer number (312862576).

Almost surely, 2^625725151 is an apocalyptic number.

625725151 is a deficient number, since it is larger than the sum of its proper divisors (1).

625725151 is an equidigital number, since it uses as much as digits as its factorization.

625725151 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 34.

The square root of 625725151 is about 25014.4988156869. The cubic root of 625725151 is about 855.3185097420.

The spelling of 625725151 in words is "six hundred twenty-five million, seven hundred twenty-five thousand, one hundred fifty-one".