461715381 has 24 divisors (see below), whose sum is σ = 684409440. Its totient is φ = 299781216.

The previous prime is 461715347. The next prime is 461715469. The reversal of 461715381 is 183517164.

461715381 is a `hidden beast` number, since 4 + 617 + 1 + 5 + 38 + 1 = 666.

It is not a de Polignac number, because 461715381 - 2²⁵ = 428160949 is a prime.

It is a super-2 number, since 2×461715381² = 426362186103950322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461715311) 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 in 23 ways as a sum of consecutive naturals, for example, 149010 + ... + 152076.

It is an arithmetic number, because the mean of its divisors is an integer number (28517060).

Almost surely, 2^461715381 is an apocalyptic number.

It is an amenable number.

461715381 is a deficient number, since it is larger than the sum of its proper divisors (222694059).

461715381 is a wasteful number, since it uses less digits than its factorization.

461715381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3505 (or 3502 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 461715381 is about 21487.5634030478. The cubic root of 461715381 is about 772.9026223058.

The spelling of 461715381 in words is "four hundred sixty-one million, seven hundred fifteen thousand, three hundred eighty-one".