461604451 has 24 divisors (see below), whose sum is σ = 620253936. Its totient is φ = 338526720.

The previous prime is 461604443. The next prime is 461604461. The reversal of 461604451 is 154406164.

It is not a de Polignac number, because 461604451 - 2³ = 461604443 is a prime.

It is a super-2 number, since 2×461604451² = 426157338366022802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (461604431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16026 + ... + 34351.

It is an arithmetic number, because the mean of its divisors is an integer number (25843914).

Almost surely, 2^461604451 is an apocalyptic number.

461604451 is a deficient number, since it is larger than the sum of its proper divisors (158649485).

461604451 is a wasteful number, since it uses less digits than its factorization.

461604451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50419 (or 50412 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 461604451 is about 21484.9819874255. The cubic root of 461604451 is about 772.8407191227.

The spelling of 461604451 in words is "four hundred sixty-one million, six hundred four thousand, four hundred fifty-one".