461344981 has 4 divisors (see below), whose sum is σ = 461577312. Its totient is φ = 461112652.

The previous prime is 461344969. The next prime is 461344991. The reversal of 461344981 is 189443164.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 461344981 - 2⁹ = 461344469 is a prime.

It is a super-2 number, since 2×461344981² = 425678382987780722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (461344921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113161 + ... + 117166.

It is an arithmetic number, because the mean of its divisors is an integer number (115394328).

Almost surely, 2^461344981 is an apocalyptic number.

It is an amenable number.

461344981 is a deficient number, since it is larger than the sum of its proper divisors (232331).

461344981 is a wasteful number, since it uses less digits than its factorization.

461344981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232330.

The product of its digits is 82944, while the sum is 40.

The square root of 461344981 is about 21478.9427346879. The cubic root of 461344981 is about 772.6958861996.

It can be divided in two parts, 46134 and 4981, that added together give a palindrome (51115).

The spelling of 461344981 in words is "four hundred sixty-one million, three hundred forty-four thousand, nine hundred eighty-one".