457261256317 has 4 divisors (see below), whose sum is σ = 472011619456. Its totient is φ = 442510893180.

The previous prime is 457261256299. The next prime is 457261256323. The reversal of 457261256317 is 713652162754.

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 457261256317 - 2¹¹ = 457261254269 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 (457261250317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7375181523 + ... + 7375181584.

It is an arithmetic number, because the mean of its divisors is an integer number (118002904864).

Almost surely, 2^457261256317 is an apocalyptic number.

It is an amenable number.

457261256317 is a deficient number, since it is larger than the sum of its proper divisors (14750363139).

457261256317 is a wasteful number, since it uses less digits than its factorization.

457261256317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14750363138.

The product of its digits is 2116800, while the sum is 49.

The spelling of 457261256317 in words is "four hundred fifty-seven billion, two hundred sixty-one million, two hundred fifty-six thousand, three hundred seventeen".