653013974 has 4 divisors (see below), whose sum is σ = 979520964. Its totient is φ = 326506986.

The previous prime is 653013973. The next prime is 653013997. The reversal of 653013974 is 479310356.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653013973) by changing a digit.

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, 163253492 + ... + 163253495.

It is an arithmetic number, because the mean of its divisors is an integer number (244880241).

Almost surely, 2^653013974 is an apocalyptic number.

653013974 is a deficient number, since it is larger than the sum of its proper divisors (326506990).

653013974 is a wasteful number, since it uses less digits than its factorization.

653013974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326506989.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 653013974 is about 25554.1380993373. The cubic root of 653013974 is about 867.5759243899.

The spelling of 653013974 in words is "six hundred fifty-three million, thirteen thousand, nine hundred seventy-four".