461502157 has 2 divisors, whose sum is σ = 461502158. Its totient is φ = 461502156.

The previous prime is 461502091. The next prime is 461502169. The reversal of 461502157 is 751205164.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276024996 + 185477161 = 16614^2 + 13619^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461502157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461502257) 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, 230751078 + 230751079.

It is an arithmetic number, because the mean of its divisors is an integer number (230751079).

Almost surely, 2^461502157 is an apocalyptic number.

It is an amenable number.

461502157 is a deficient number, since it is larger than the sum of its proper divisors (1).

461502157 is an equidigital number, since it uses as much as digits as its factorization.

461502157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 461502157 is about 21482.6012624170. The cubic root of 461502157 is about 772.7836263681.

The spelling of 461502157 in words is "four hundred sixty-one million, five hundred two thousand, one hundred fifty-seven".