653132235257 has 16 divisors (see below), whose sum is σ = 697326750720. Its totient is φ = 609923034000.

The previous prime is 653132235253. The next prime is 653132235263. The reversal of 653132235257 is 752532231356.

It is a cyclic number.

It is not a de Polignac number, because 653132235257 - 2² = 653132235253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653132235251) 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, 7298132 + ... + 7387082.

It is an arithmetic number, because the mean of its divisors is an integer number (43582921920).

Almost surely, 2^653132235257 is an apocalyptic number.

It is an amenable number.

653132235257 is a deficient number, since it is larger than the sum of its proper divisors (44194515463).

653132235257 is a wasteful number, since it uses less digits than its factorization.

653132235257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94484.

The product of its digits is 1134000, while the sum is 44.

The spelling of 653132235257 in words is "six hundred fifty-three billion, one hundred thirty-two million, two hundred thirty-five thousand, two hundred fifty-seven".