653841045 has 96 divisors (see below), whose sum is σ = 1376390400. Its totient is φ = 292533120.

The previous prime is 653841011. The next prime is 653841061. The reversal of 653841045 is 540148356.

It is a happy number.

It is not a de Polignac number, because 653841045 - 2¹⁶ = 653775509 is a prime.

It is a super-2 number, since 2×653841045² = 855016224253384050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 210816 + ... + 213894.

It is an arithmetic number, because the mean of its divisors is an integer number (14337400).

Almost surely, 2^653841045 is an apocalyptic number.

653841045 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

653841045 is an abundant number, since it is smaller than the sum of its proper divisors (722549355).

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

653841045 is a wasteful number, since it uses less digits than its factorization.

653841045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128 (or 3111 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 653841045 is about 25570.3157000456. The cubic root of 653841045 is about 867.9420442556.

The spelling of 653841045 in words is "six hundred fifty-three million, eight hundred forty-one thousand, forty-five".