654261373 has 4 divisors (see below), whose sum is σ = 676822140. Its totient is φ = 631700608.

The previous prime is 654261367. The next prime is 654261397. The reversal of 654261373 is 373162456.

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 265461849 + 388799524 = 16293^2 + 19718^2 .

It is a cyclic number.

It is not a de Polignac number, because 654261373 - 2⁵ = 654261341 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 (654261323) 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, 11280340 + ... + 11280397.

It is an arithmetic number, because the mean of its divisors is an integer number (169205535).

Almost surely, 2^654261373 is an apocalyptic number.

It is an amenable number.

654261373 is a deficient number, since it is larger than the sum of its proper divisors (22560767).

654261373 is a wasteful number, since it uses less digits than its factorization.

654261373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22560766.

The product of its digits is 90720, while the sum is 37.

The square root of 654261373 is about 25578.5334411494. The cubic root of 654261373 is about 868.1279927101.

The spelling of 654261373 in words is "six hundred fifty-four million, two hundred sixty-one thousand, three hundred seventy-three".