653013013 has 4 divisors (see below), whose sum is σ = 653112460. Its totient is φ = 652913568.

The previous prime is 653013001. The next prime is 653013017. The reversal of 653013013 is 310310356.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 383298084 + 269714929 = 19578^2 + 16423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653013013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653013017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39120 + ... + 53257.

It is an arithmetic number, because the mean of its divisors is an integer number (163278115).

Almost surely, 2^653013013 is an apocalyptic number.

It is an amenable number.

653013013 is a deficient number, since it is larger than the sum of its proper divisors (99447).

653013013 is an equidigital number, since it uses as much as digits as its factorization.

653013013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99446.

The product of its (nonzero) digits is 810, while the sum is 22.

The square root of 653013013 is about 25554.1192961135. The cubic root of 653013013 is about 867.5754988039.

Adding to 653013013 its reverse (310310356), we get a palindrome (963323369).

The spelling of 653013013 in words is "six hundred fifty-three million, thirteen thousand, thirteen".