653500345 has 8 divisors (see below), whose sum is σ = 825474240. Its totient is φ = 495284400.

The previous prime is 653500321. The next prime is 653500373. The reversal of 653500345 is 543005356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 653500345 - 2⁵ = 653500313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3439381 + ... + 3439570.

It is an arithmetic number, because the mean of its divisors is an integer number (103184280).

Almost surely, 2^653500345 is an apocalyptic number.

It is an amenable number.

653500345 is a deficient number, since it is larger than the sum of its proper divisors (171973895).

653500345 is a wasteful number, since it uses less digits than its factorization.

653500345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6878975.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 653500345 is about 25563.6528101913. The cubic root of 653500345 is about 867.7912638615.

The spelling of 653500345 in words is "six hundred fifty-three million, five hundred thousand, three hundred forty-five".