472625591 has 2 divisors, whose sum is σ = 472625592. Its totient is φ = 472625590.

The previous prime is 472625581. The next prime is 472625609. The reversal of 472625591 is 195526274.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472625591 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472625521) 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, 236312795 + 236312796.

It is an arithmetic number, because the mean of its divisors is an integer number (236312796).

Almost surely, 2^472625591 is an apocalyptic number.

472625591 is a deficient number, since it is larger than the sum of its proper divisors (1).

472625591 is an equidigital number, since it uses as much as digits as its factorization.

472625591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 151200, while the sum is 41.

The square root of 472625591 is about 21739.9537947991. The cubic root of 472625591 is about 778.9431176857.

The spelling of 472625591 in words is "four hundred seventy-two million, six hundred twenty-five thousand, five hundred ninety-one".