654745412 has 54 divisors (see below), whose sum is σ = 1268334522. Its totient is φ = 294710528.

The previous prime is 654745397. The next prime is 654745433. The reversal of 654745412 is 214547456.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 187580416 + 467164996 = 13696^2 + 21614^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6119063 + ... + 6119169.

Almost surely, 2^654745412 is an apocalyptic number.

It is an amenable number.

654745412 is a deficient number, since it is larger than the sum of its proper divisors (613589110).

654745412 is a wasteful number, since it uses less digits than its factorization.

654745412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 155 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 654745412 is about 25587.9935125832. The cubic root of 654745412 is about 868.3420275686.

The spelling of 654745412 in words is "six hundred fifty-four million, seven hundred forty-five thousand, four hundred twelve".