653506252 has 24 divisors (see below), whose sum is σ = 1315792800. Its totient is φ = 278192640.

The previous prime is 653506229. The next prime is 653506253. The reversal of 653506252 is 252605356.

It is not an unprimeable number, because it can be changed into a prime (653506253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74149 + ... + 82492.

It is an arithmetic number, because the mean of its divisors is an integer number (54824700).

Almost surely, 2^653506252 is an apocalyptic number.

It is an amenable number.

653506252 is an abundant number, since it is smaller than the sum of its proper divisors (662286548).

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

653506252 is a wasteful number, since it uses less digits than its factorization.

653506252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156801 (or 156799 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 653506252 is about 25563.7683450621. The cubic root of 653506252 is about 867.7938785133.

The spelling of 653506252 in words is "six hundred fifty-three million, five hundred six thousand, two hundred fifty-two".