653298913 has 4 divisors (see below), whose sum is σ = 653363460. Its totient is φ = 653234368.

The previous prime is 653298911. The next prime is 653298937. The reversal of 653298913 is 319892356.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 598878784 + 54420129 = 24472^2 + 7377^2 .

It is a cyclic number.

It is not a de Polignac number, because 653298913 - 2¹ = 653298911 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653298911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13420 + ... + 38557.

It is an arithmetic number, because the mean of its divisors is an integer number (163340865).

Almost surely, 2^653298913 is an apocalyptic number.

It is an amenable number.

653298913 is a deficient number, since it is larger than the sum of its proper divisors (64547).

653298913 is a wasteful number, since it uses less digits than its factorization.

653298913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64546.

The product of its digits is 349920, while the sum is 46.

The square root of 653298913 is about 25559.7126940034. The cubic root of 653298913 is about 867.7020933435.

The spelling of 653298913 in words is "six hundred fifty-three million, two hundred ninety-eight thousand, nine hundred thirteen".