461015239 has 2 divisors, whose sum is σ = 461015240. Its totient is φ = 461015238.

The previous prime is 461015131. The next prime is 461015249. The reversal of 461015239 is 932510164.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-461015239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 461015239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461015249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230507619 + 230507620.

It is an arithmetic number, because the mean of its divisors is an integer number (230507620).

Almost surely, 2^461015239 is an apocalyptic number.

461015239 is a deficient number, since it is larger than the sum of its proper divisors (1).

461015239 is an equidigital number, since it uses as much as digits as its factorization.

461015239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 461015239 is about 21471.2654261457. The cubic root of 461015239 is about 772.5117499426.

The spelling of 461015239 in words is "four hundred sixty-one million, fifteen thousand, two hundred thirty-nine".