653075894 has 4 divisors (see below), whose sum is σ = 979613844. Its totient is φ = 326537946.

The previous prime is 653075887. The next prime is 653075939. The reversal of 653075894 is 498570356.

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

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 as a sum of consecutive naturals, namely, 163268972 + ... + 163268975.

It is an arithmetic number, because the mean of its divisors is an integer number (244903461).

Almost surely, 2^653075894 is an apocalyptic number.

653075894 is a deficient number, since it is larger than the sum of its proper divisors (326537950).

653075894 is a wasteful number, since it uses less digits than its factorization.

653075894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326537949.

The product of its (nonzero) digits is 907200, while the sum is 47.

The square root of 653075894 is about 25555.3496160784. The cubic root of 653075894 is about 867.6033452443.

The spelling of 653075894 in words is "six hundred fifty-three million, seventy-five thousand, eight hundred ninety-four".