653910252 has 24 divisors (see below), whose sum is σ = 1527115632. Its totient is φ = 217780800.

The previous prime is 653910239. The next prime is 653910281. The reversal of 653910252 is 252019356.

It is a super-3 number, since 3×653910252³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8899 + ... + 37242.

It is an arithmetic number, because the mean of its divisors is an integer number (63629818).

Almost surely, 2^653910252 is an apocalyptic number.

It is an amenable number.

653910252 is an abundant number, since it is smaller than the sum of its proper divisors (873205380).

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

653910252 is a wasteful number, since it uses less digits than its factorization.

653910252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47329 (or 47327 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 653910252 is about 25571.6689326293. The cubic root of 653910252 is about 867.9726661457.

The spelling of 653910252 in words is "six hundred fifty-three million, nine hundred ten thousand, two hundred fifty-two".