653135953 has 4 divisors (see below), whose sum is σ = 653198500. Its totient is φ = 653073408.

The previous prime is 653135939. The next prime is 653136007. The reversal of 653135953 is 359531356.

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 75550864 + 577585089 = 8692^2 + 24033^2 .

It is a cyclic number.

It is not a de Polignac number, because 653135953 - 2¹⁷ = 653004881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653135933) 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, 11400 + ... + 37897.

It is an arithmetic number, because the mean of its divisors is an integer number (163299625).

Almost surely, 2^653135953 is an apocalyptic number.

It is an amenable number.

653135953 is a deficient number, since it is larger than the sum of its proper divisors (62547).

653135953 is a wasteful number, since it uses less digits than its factorization.

653135953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62546.

The product of its digits is 182250, while the sum is 40.

The square root of 653135953 is about 25556.5246659244. The cubic root of 653135953 is about 867.6299403116.

The spelling of 653135953 in words is "six hundred fifty-three million, one hundred thirty-five thousand, nine hundred fifty-three".