653263254 has 48 divisors (see below), whose sum is σ = 1619025408. Its totient is φ = 186482736.

The previous prime is 653263249. The next prime is 653263307. The reversal of 653263254 is 452362356.

653263254 is a `hidden beast` number, since 6 + 5 + 326 + 325 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284499 + ... + 286785.

It is an arithmetic number, because the mean of its divisors is an integer number (33729696).

Almost surely, 2^653263254 is an apocalyptic number.

653263254 is an abundant number, since it is smaller than the sum of its proper divisors (965762154).

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

653263254 is a wasteful number, since it uses less digits than its factorization.

653263254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4569 (or 4566 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 653263254 is about 25559.0151218704. The cubic root of 653263254 is about 867.6863058016.

The spelling of 653263254 in words is "six hundred fifty-three million, two hundred sixty-three thousand, two hundred fifty-four".