461172249 has 12 divisors (see below), whose sum is σ = 668928000. Its totient is φ = 306160344.

The previous prime is 461172227. The next prime is 461172289. The reversal of 461172249 is 942271164.

It is a happy number.

461172249 is a `hidden beast` number, since 461 + 172 + 24 + 9 = 666.

It is not a de Polignac number, because 461172249 - 2⁸ = 461171993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (461172289) 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, 105049 + ... + 109350.

It is an arithmetic number, because the mean of its divisors is an integer number (55744000).

Almost surely, 2^461172249 is an apocalyptic number.

It is an amenable number.

461172249 is a deficient number, since it is larger than the sum of its proper divisors (207755751).

461172249 is a wasteful number, since it uses less digits than its factorization.

461172249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214644 (or 214641 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 461172249 is about 21474.9213968294. The cubic root of 461172249 is about 772.5994392368.

The spelling of 461172249 in words is "four hundred sixty-one million, one hundred seventy-two thousand, two hundred forty-nine".