654984045 has 12 divisors (see below), whose sum is σ = 1135305756. Its totient is φ = 349324800.

The previous prime is 654984037. The next prime is 654984067. The reversal of 654984045 is 540489456.

It can be written as a sum of positive squares in 2 ways, for example, as 441882441 + 213101604 = 21021^2 + 14598^2 .

It is not a de Polignac number, because 654984045 - 2³ = 654984037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 14555201 = 654984045 / (6 + 5 + 4 + 9 + 8 + 4 + 0 + 4 + 5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7277556 + ... + 7277645.

It is an arithmetic number, because the mean of its divisors is an integer number (94608813).

Almost surely, 2^654984045 is an apocalyptic number.

It is an amenable number.

654984045 is a deficient number, since it is larger than the sum of its proper divisors (480321711).

654984045 is a wasteful number, since it uses less digits than its factorization.

654984045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14555212 (or 14555209 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 654984045 is about 25592.6560755229. The cubic root of 654984045 is about 868.4475087170.

The spelling of 654984045 in words is "six hundred fifty-four million, nine hundred eighty-four thousand, forty-five".