461519287 has 2 divisors, whose sum is σ = 461519288. Its totient is φ = 461519286.

The previous prime is 461519263. The next prime is 461519309. The reversal of 461519287 is 782915164.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 461519287 - 2⁷ = 461519159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (461519237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 230759643 + 230759644.

It is an arithmetic number, because the mean of its divisors is an integer number (230759644).

Almost surely, 2^461519287 is an apocalyptic number.

461519287 is a deficient number, since it is larger than the sum of its proper divisors (1).

461519287 is an equidigital number, since it uses as much as digits as its factorization.

461519287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 43.

The square root of 461519287 is about 21482.9999534516. Note that the first 4 decimals coincide. The cubic root of 461519287 is about 772.7931876233.

The spelling of 461519287 in words is "four hundred sixty-one million, five hundred nineteen thousand, two hundred eighty-seven".