653223607 has 4 divisors (see below), whose sum is σ = 656999640. Its totient is φ = 649447576.

The previous prime is 653223601. The next prime is 653223619. The reversal of 653223607 is 706322356.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-653223607 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653223601) 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, 1887757 + ... + 1888102.

It is an arithmetic number, because the mean of its divisors is an integer number (164249910).

Almost surely, 2^653223607 is an apocalyptic number.

653223607 is a deficient number, since it is larger than the sum of its proper divisors (3776033).

653223607 is a wasteful number, since it uses less digits than its factorization.

653223607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3776032.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 653223607 is about 25558.2395129242. The cubic root of 653223607 is about 867.6687519519.

The spelling of 653223607 in words is "six hundred fifty-three million, two hundred twenty-three thousand, six hundred seven".