654256353 has 4 divisors (see below), whose sum is σ = 872341808. Its totient is φ = 436170900.

The previous prime is 654256331. The next prime is 654256357. The reversal of 654256353 is 353652456.

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 not a de Polignac number, because 654256353 - 2²¹ = 652159201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654256357) 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, 109042723 + ... + 109042728.

It is an arithmetic number, because the mean of its divisors is an integer number (218085452).

Almost surely, 2^654256353 is an apocalyptic number.

It is an amenable number.

654256353 is a deficient number, since it is larger than the sum of its proper divisors (218085455).

654256353 is a wasteful number, since it uses less digits than its factorization.

654256353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218085454.

The product of its digits is 324000, while the sum is 39.

The square root of 654256353 is about 25578.4353118012. The cubic root of 654256353 is about 868.1257723876.

The spelling of 654256353 in words is "six hundred fifty-four million, two hundred fifty-six thousand, three hundred fifty-three".