654422365 has 4 divisors (see below), whose sum is σ = 785306844. Its totient is φ = 523537888.

The previous prime is 654422357. The next prime is 654422401. The reversal of 654422365 is 563224456.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 316377369 + 338044996 = 17787^2 + 18386^2 .

It is a cyclic number.

It is not a de Polignac number, because 654422365 - 2³ = 654422357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65442232 + ... + 65442241.

It is an arithmetic number, because the mean of its divisors is an integer number (196326711).

Almost surely, 2^654422365 is an apocalyptic number.

It is an amenable number.

654422365 is a deficient number, since it is larger than the sum of its proper divisors (130884479).

654422365 is a wasteful number, since it uses less digits than its factorization.

654422365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130884478.

The product of its digits is 172800, while the sum is 37.

The square root of 654422365 is about 25581.6802614684. The cubic root of 654422365 is about 868.1991926951.

The spelling of 654422365 in words is "six hundred fifty-four million, four hundred twenty-two thousand, three hundred sixty-five".