455257531 has 4 divisors (see below), whose sum is σ = 457983792. Its totient is φ = 452531272.

The previous prime is 455257493. The next prime is 455257541. The reversal of 455257531 is 135752554.

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

It is a cyclic number.

It is not a de Polignac number, because 455257531 - 2⁷ = 455257403 is a prime.

It is a super-2 number, since 2×455257531² = 414518839064431922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (455257541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1362880 + ... + 1363213.

It is an arithmetic number, because the mean of its divisors is an integer number (114495948).

Almost surely, 2^455257531 is an apocalyptic number.

455257531 is a deficient number, since it is larger than the sum of its proper divisors (2726261).

455257531 is a wasteful number, since it uses less digits than its factorization.

455257531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2726260.

The product of its digits is 105000, while the sum is 37.

The square root of 455257531 is about 21336.7647735077. The cubic root of 455257531 is about 769.2822518382.

The spelling of 455257531 in words is "four hundred fifty-five million, two hundred fifty-seven thousand, five hundred thirty-one".