653152243 has 16 divisors (see below), whose sum is σ = 678787200. Its totient is φ = 628153920.

The previous prime is 653152219. The next prime is 653152249. The reversal of 653152243 is 342251356.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 653152243 - 2²¹ = 651055091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653152249) 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, 598128 + ... + 599218.

It is an arithmetic number, because the mean of its divisors is an integer number (42424200).

Almost surely, 2^653152243 is an apocalyptic number.

653152243 is a deficient number, since it is larger than the sum of its proper divisors (25634957).

653152243 is a wasteful number, since it uses less digits than its factorization.

653152243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362.

The product of its digits is 21600, while the sum is 31.

The square root of 653152243 is about 25556.8433692426. The cubic root of 653152243 is about 867.6371534981.

The spelling of 653152243 in words is "six hundred fifty-three million, one hundred fifty-two thousand, two hundred forty-three".