654534253 has 4 divisors (see below), whose sum is σ = 682992288. Its totient is φ = 626076220.

The previous prime is 654534233. The next prime is 654534313. The reversal of 654534253 is 352435456.

654534253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-654534253 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 (654534233) 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, 14228983 + ... + 14229028.

It is an arithmetic number, because the mean of its divisors is an integer number (170748072).

Almost surely, 2^654534253 is an apocalyptic number.

It is an amenable number.

654534253 is a deficient number, since it is larger than the sum of its proper divisors (28458035).

654534253 is a wasteful number, since it uses less digits than its factorization.

654534253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28458034.

The product of its digits is 216000, while the sum is 37.

The square root of 654534253 is about 25583.8670454644. The cubic root of 654534253 is about 868.2486691702.

The spelling of 654534253 in words is "six hundred fifty-four million, five hundred thirty-four thousand, two hundred fifty-three".