653372079 has 4 divisors (see below), whose sum is σ = 871162776. Its totient is φ = 435581384.

The previous prime is 653372047. The next prime is 653372081. The reversal of 653372079 is 970273356.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 653372079 - 2⁵ = 653372047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 653372079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653372009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108895344 + ... + 108895349.

It is an arithmetic number, because the mean of its divisors is an integer number (217790694).

Almost surely, 2^653372079 is an apocalyptic number.

653372079 is a deficient number, since it is larger than the sum of its proper divisors (217790697).

653372079 is a wasteful number, since it uses less digits than its factorization.

653372079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217790696.

The product of its (nonzero) digits is 238140, while the sum is 42.

The square root of 653372079 is about 25561.1439298010. The cubic root of 653372079 is about 867.7344848059.

The spelling of 653372079 in words is "six hundred fifty-three million, three hundred seventy-two thousand, seventy-nine".