653245007 has 4 divisors (see below), whose sum is σ = 653517696. Its totient is φ = 652972320.

The previous prime is 653245003. The next prime is 653245013. The reversal of 653245007 is 700542356.

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 653245007 - 2² = 653245003 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 (653245003) 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, 132719 + ... + 137552.

It is an arithmetic number, because the mean of its divisors is an integer number (163379424).

Almost surely, 2^653245007 is an apocalyptic number.

653245007 is a deficient number, since it is larger than the sum of its proper divisors (272689).

653245007 is a wasteful number, since it uses less digits than its factorization.

653245007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272688.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 653245007 is about 25558.6581611790. The cubic root of 653245007 is about 867.6782269659.

The spelling of 653245007 in words is "six hundred fifty-three million, two hundred forty-five thousand, seven".