654434253 has 24 divisors (see below), whose sum is σ = 1033889376. Its totient is φ = 395604000.

The previous prime is 654434237. The next prime is 654434257. The reversal of 654434253 is 352434456.

It is not a de Polignac number, because 654434253 - 2⁴ = 654434237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (654434257) 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 23 ways as a sum of consecutive naturals, for example, 30978 + ... + 47628.

It is an arithmetic number, because the mean of its divisors is an integer number (43078724).

Almost surely, 2^654434253 is an apocalyptic number.

It is an amenable number.

654434253 is a deficient number, since it is larger than the sum of its proper divisors (379455123).

654434253 is a wasteful number, since it uses less digits than its factorization.

654434253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17065 (or 17062 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The square root of 654434253 is about 25581.9126141890. The cubic root of 654434253 is about 868.2044497941.

It can be divided in two parts, 65443 and 4253, that added together give a palindrome (69696).

The spelling of 654434253 in words is "six hundred fifty-four million, four hundred thirty-four thousand, two hundred fifty-three".