652399294 has 4 divisors (see below), whose sum is σ = 978598944. Its totient is φ = 326199646.

The previous prime is 652399289. The next prime is 652399303. The reversal of 652399294 is 492993256.

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

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 163099822 + ... + 163099825.

It is an arithmetic number, because the mean of its divisors is an integer number (244649736).

Almost surely, 2^652399294 is an apocalyptic number.

652399294 is a deficient number, since it is larger than the sum of its proper divisors (326199650).

652399294 is a wasteful number, since it uses less digits than its factorization.

652399294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326199649.

The product of its digits is 1049760, while the sum is 49.

The square root of 652399294 is about 25542.1082528440. The cubic root of 652399294 is about 867.3036234370.

The spelling of 652399294 in words is "six hundred fifty-two million, three hundred ninety-nine thousand, two hundred ninety-four".