525454623 has 12 divisors (see below), whose sum is σ = 759192928. Its totient is φ = 350209440.

The previous prime is 525454613. The next prime is 525454627. The reversal of 525454623 is 326454525.

525454623 is a `hidden beast` number, since 5 + 25 + 4 + 5 + 4 + 623 = 666.

It is not a de Polignac number, because 525454623 - 2²⁵ = 491900191 is a prime.

It is a super-2 number, since 2×525454623² = 552205121664144258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525454627) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51258 + ... + 60648.

Almost surely, 2^525454623 is an apocalyptic number.

525454623 is a deficient number, since it is larger than the sum of its proper divisors (233738305).

525454623 is a wasteful number, since it uses less digits than its factorization.

525454623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15614 (or 15611 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 525454623 is about 22922.7970151986. The cubic root of 525454623 is about 806.9471135355.

The spelling of 525454623 in words is "five hundred twenty-five million, four hundred fifty-four thousand, six hundred twenty-three".