653857254 has 12 divisors (see below), whose sum is σ = 1416690756. Its totient is φ = 217952412.

The previous prime is 653857249. The next prime is 653857283. The reversal of 653857254 is 452758356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18162684 + ... + 18162719.

It is an arithmetic number, because the mean of its divisors is an integer number (118057563).

Almost surely, 2^653857254 is an apocalyptic number.

653857254 is an abundant number, since it is smaller than the sum of its proper divisors (762833502).

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

653857254 is a wasteful number, since it uses less digits than its factorization.

653857254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36325411 (or 36325408 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 653857254 is about 25570.6326476292. The cubic root of 653857254 is about 867.9492164149.

The spelling of 653857254 in words is "six hundred fifty-three million, eight hundred fifty-seven thousand, two hundred fifty-four".