654361572 has 12 divisors (see below), whose sum is σ = 1526843696. Its totient is φ = 218120520.

The previous prime is 654361571. The next prime is 654361583. The reversal of 654361572 is 275163456.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×654361572² = 856378133820622368, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 654361572.

It is not an unprimeable number, because it can be changed into a prime (654361571) 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, 27265054 + ... + 27265077.

Almost surely, 2^654361572 is an apocalyptic number.

It is an amenable number.

654361572 is an abundant number, since it is smaller than the sum of its proper divisors (872482124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

654361572 is a wasteful number, since it uses less digits than its factorization.

654361572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54530138 (or 54530136 counting only the distinct ones).

The product of its digits is 151200, while the sum is 39.

The square root of 654361572 is about 25580.4920202876. The cubic root of 654361572 is about 868.1723078825.

The spelling of 654361572 in words is "six hundred fifty-four million, three hundred sixty-one thousand, five hundred seventy-two".