653451652 has 36 divisors (see below), whose sum is σ = 1331869980. Its totient is φ = 279707904.

The previous prime is 653451647. The next prime is 653451671. The reversal of 653451652 is 256154356.

It can be written as a sum of positive squares in 2 ways, for example, as 278022276 + 375429376 = 16674^2 + 19376^2 .

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, 219808 + ... + 222760.

Almost surely, 2^653451652 is an apocalyptic number.

It is an amenable number.

653451652 is an abundant number, since it is smaller than the sum of its proper divisors (678418328).

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

653451652 is a wasteful number, since it uses less digits than its factorization.

653451652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100 (or 4091 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 653451652 is about 25562.7004050824. The cubic root of 653451652 is about 867.7697099787.

The spelling of 653451652 in words is "six hundred fifty-three million, four hundred fifty-one thousand, six hundred fifty-two".