653512913 has 2 divisors, whose sum is σ = 653512914. Its totient is φ = 653512912.

The previous prime is 653512903. The next prime is 653512921. The reversal of 653512913 is 319215356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 336245569 + 317267344 = 18337^2 + 17812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653512913 is a prime.

It is not a weakly prime, because it can be changed into another prime (653512903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326756456 + 326756457.

It is an arithmetic number, because the mean of its divisors is an integer number (326756457).

Almost surely, 2^653512913 is an apocalyptic number.

It is an amenable number.

653512913 is a deficient number, since it is larger than the sum of its proper divisors (1).

653512913 is an equidigital number, since it uses as much as digits as its factorization.

653512913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24300, while the sum is 35.

The square root of 653512913 is about 25563.8986267744. The cubic root of 653512913 is about 867.7968268939.

The spelling of 653512913 in words is "six hundred fifty-three million, five hundred twelve thousand, nine hundred thirteen".