653552263 has 16 divisors (see below), whose sum is σ = 818012160. Its totient is φ = 508327776.

The previous prime is 653552257. The next prime is 653552279. The reversal of 653552263 is 362255356.

It is a cyclic number.

It is not a de Polignac number, because 653552263 - 2⁹ = 653551751 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653552213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55495 + ... + 66232.

It is an arithmetic number, because the mean of its divisors is an integer number (51125760).

Almost surely, 2^653552263 is an apocalyptic number.

653552263 is a deficient number, since it is larger than the sum of its proper divisors (164459897).

653552263 is a wasteful number, since it uses less digits than its factorization.

653552263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121806.

The product of its digits is 162000, while the sum is 37.

The square root of 653552263 is about 25564.6682552307. The cubic root of 653552263 is about 867.8142441063.

The spelling of 653552263 in words is "six hundred fifty-three million, five hundred fifty-two thousand, two hundred sixty-three".