461590791 has 4 divisors (see below), whose sum is σ = 615454392. Its totient is φ = 307727192.

The previous prime is 461590781. The next prime is 461590793. The reversal of 461590791 is 197095164.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 461590791 - 2⁷ = 461590663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461590793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76931796 + ... + 76931801.

It is an arithmetic number, because the mean of its divisors is an integer number (153863598).

Almost surely, 2^461590791 is an apocalyptic number.

461590791 is a deficient number, since it is larger than the sum of its proper divisors (153863601).

461590791 is a wasteful number, since it uses less digits than its factorization.

461590791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153863600.

The product of its (nonzero) digits is 68040, while the sum is 42.

The square root of 461590791 is about 21484.6640886005. The cubic root of 461590791 is about 772.8330956345.

The spelling of 461590791 in words is "four hundred sixty-one million, five hundred ninety thousand, seven hundred ninety-one".