456081397 has 4 divisors (see below), whose sum is σ = 460265740. Its totient is φ = 451897056.

The previous prime is 456081371. The next prime is 456081413. The reversal of 456081397 is 793180654.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 251190801 + 204890596 = 15849^2 + 14314^2 .

It is a cyclic number.

It is not a de Polignac number, because 456081397 - 2¹⁵ = 456048629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (456081317) 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, 2092008 + ... + 2092225.

It is an arithmetic number, because the mean of its divisors is an integer number (115066435).

Almost surely, 2^456081397 is an apocalyptic number.

It is an amenable number.

456081397 is a deficient number, since it is larger than the sum of its proper divisors (4184343).

456081397 is a wasteful number, since it uses less digits than its factorization.

456081397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4184342.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 456081397 is about 21356.0623009018. The cubic root of 456081397 is about 769.7460212567.

The spelling of 456081397 in words is "four hundred fifty-six million, eighty-one thousand, three hundred ninety-seven".