461323251 has 18 divisors (see below), whose sum is σ = 671501012. Its totient is φ = 305192160.

The previous prime is 461323243. The next prime is 461323253. The reversal of 461323251 is 152323164.

461323251 is a `hidden beast` number, since 4 + 613 + 23 + 25 + 1 = 666.

It is not a de Polignac number, because 461323251 - 2³ = 461323243 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461323253) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 167556 + ... + 170286.

Almost surely, 2^461323251 is an apocalyptic number.

461323251 is a deficient number, since it is larger than the sum of its proper divisors (210177761).

461323251 is a wasteful number, since it uses less digits than its factorization.

461323251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011 (or 2871 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 461323251 is about 21478.4368844662. The cubic root of 461323251 is about 772.6837543201.

The spelling of 461323251 in words is "four hundred sixty-one million, three hundred twenty-three thousand, two hundred fifty-one".