454243525531 has 4 divisors (see below), whose sum is σ = 454249996200. Its totient is φ = 454237054864.

The previous prime is 454243525513. The next prime is 454243525559. The reversal of 454243525531 is 135525342454.

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 454243525531 - 2⁵ = 454243525499 is a prime.

It is a super-2 number, since 2×454243525531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (454243525501) 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, 3128866 + ... + 3270823.

It is an arithmetic number, because the mean of its divisors is an integer number (113562499050).

Almost surely, 2^454243525531 is an apocalyptic number.

454243525531 is a deficient number, since it is larger than the sum of its proper divisors (6470669).

454243525531 is an equidigital number, since it uses as much as digits as its factorization.

454243525531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6470668.

The product of its digits is 1440000, while the sum is 43.

Adding to 454243525531 its reverse (135525342454), we get a palindrome (589768867985).

The spelling of 454243525531 in words is "four hundred fifty-four billion, two hundred forty-three million, five hundred twenty-five thousand, five hundred thirty-one".