461522857 has 2 divisors, whose sum is σ = 461522858. Its totient is φ = 461522856.

The previous prime is 461522813. The next prime is 461522869. The reversal of 461522857 is 758225164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453519616 + 8003241 = 21296^2 + 2829^2 .

It is a cyclic number.

It is not a de Polignac number, because 461522857 - 2⁷ = 461522729 is a prime.

It is not a weakly prime, because it can be changed into another prime (461523857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230761428 + 230761429.

It is an arithmetic number, because the mean of its divisors is an integer number (230761429).

Almost surely, 2^461522857 is an apocalyptic number.

It is an amenable number.

461522857 is a deficient number, since it is larger than the sum of its proper divisors (1).

461522857 is an equidigital number, since it uses as much as digits as its factorization.

461522857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 134400, while the sum is 40.

The square root of 461522857 is about 21483.0830422451. The cubic root of 461522857 is about 772.7951802194.

It can be divided in two parts, 4615 and 22857, that added together give a palindrome (27472).

The spelling of 461522857 in words is "four hundred sixty-one million, five hundred twenty-two thousand, eight hundred fifty-seven".