653075855 has 4 divisors (see below), whose sum is σ = 783691032. Its totient is φ = 522460680.

The previous prime is 653075837. The next prime is 653075887. The reversal of 653075855 is 558570356.

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

It is not a de Polignac number, because 653075855 - 2¹⁰ = 653074831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65307581 + ... + 65307590.

It is an arithmetic number, because the mean of its divisors is an integer number (195922758).

Almost surely, 2^653075855 is an apocalyptic number.

653075855 is a deficient number, since it is larger than the sum of its proper divisors (130615177).

653075855 is a wasteful number, since it uses less digits than its factorization.

653075855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130615176.

The product of its (nonzero) digits is 630000, while the sum is 44.

The square root of 653075855 is about 25555.3488530288. The cubic root of 653075855 is about 867.6033279740.

The spelling of 653075855 in words is "six hundred fifty-three million, seventy-five thousand, eight hundred fifty-five".