654740052 has 12 divisors (see below), whose sum is σ = 1527726816. Its totient is φ = 218246680.

The previous prime is 654740017. The next prime is 654740063. The reversal of 654740052 is 250047456.

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

It is a junction number, because it is equal to n+sod(n) for n = 654739995 and 654740022.

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, 27280824 + ... + 27280847.

It is an arithmetic number, because the mean of its divisors is an integer number (127310568).

Almost surely, 2^654740052 is an apocalyptic number.

It is an amenable number.

654740052 is an abundant number, since it is smaller than the sum of its proper divisors (872986764).

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

654740052 is a wasteful number, since it uses less digits than its factorization.

654740052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54561678 (or 54561676 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 654740052 is about 25587.8887757470. Note that the first 3 decimals coincide. The cubic root of 654740052 is about 868.3396580339.

The spelling of 654740052 in words is "six hundred fifty-four million, seven hundred forty thousand, fifty-two".