461574891 has 12 divisors (see below), whose sum is σ = 666948568. Its totient is φ = 307610784.

The previous prime is 461574863. The next prime is 461574907. The reversal of 461574891 is 198475164.

It is not a de Polignac number, because 461574891 - 2¹¹ = 461572843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461574811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26076 + ... + 40038.

Almost surely, 2^461574891 is an apocalyptic number.

461574891 is a deficient number, since it is larger than the sum of its proper divisors (205373677).

461574891 is a wasteful number, since it uses less digits than its factorization.

461574891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17642 (or 17639 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 461574891 is about 21484.2940540293. The cubic root of 461574891 is about 772.8242218386.

The spelling of 461574891 in words is "four hundred sixty-one million, five hundred seventy-four thousand, eight hundred ninety-one".