456812641 has 4 divisors (see below), whose sum is σ = 456855552. Its totient is φ = 456769732.

The previous prime is 456812581. The next prime is 456812647. The reversal of 456812641 is 146218654.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 456812641 - 2¹⁹ = 456288353 is a prime.

It is a super-3 number, since 3×456812641³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 456812641.

It is not an unprimeable number, because it can be changed into a prime (456812647) 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, 7920 + ... + 31246.

It is an arithmetic number, because the mean of its divisors is an integer number (114213888).

Almost surely, 2^456812641 is an apocalyptic number.

It is an amenable number.

456812641 is a deficient number, since it is larger than the sum of its proper divisors (42911).

456812641 is a wasteful number, since it uses less digits than its factorization.

456812641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42910.

The product of its digits is 46080, while the sum is 37.

The square root of 456812641 is about 21373.1757350189. The cubic root of 456812641 is about 770.1571844173.

The spelling of 456812641 in words is "four hundred fifty-six million, eight hundred twelve thousand, six hundred forty-one".