472905157 has 2 divisors, whose sum is σ = 472905158. Its totient is φ = 472905156.

The previous prime is 472905151. The next prime is 472905163. The reversal of 472905157 is 751509274.

It is a balanced prime because it is at equal distance from previous prime (472905151) and next prime (472905163).

It can be written as a sum of positive squares in only one way, i.e., 472888516 + 16641 = 21746^2 + 129^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-472905157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (472905151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236452578 + 236452579.

It is an arithmetic number, because the mean of its divisors is an integer number (236452579).

Almost surely, 2^472905157 is an apocalyptic number.

It is an amenable number.

472905157 is a deficient number, since it is larger than the sum of its proper divisors (1).

472905157 is an equidigital number, since it uses as much as digits as its factorization.

472905157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 88200, while the sum is 40.

The square root of 472905157 is about 21746.3826187253. The cubic root of 472905157 is about 779.0966734054.

The spelling of 472905157 in words is "four hundred seventy-two million, nine hundred five thousand, one hundred fifty-seven".