653491363 has 8 divisors (see below), whose sum is σ = 747090432. Its totient is φ = 559953096.

The previous prime is 653491361. The next prime is 653491381. The reversal of 653491363 is 363194356.

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

It is a cyclic number.

It is not a de Polignac number, because 653491363 - 2¹ = 653491361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653491361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10806 + ... + 37732.

It is an arithmetic number, because the mean of its divisors is an integer number (93386304).

Almost surely, 2^653491363 is an apocalyptic number.

653491363 is a deficient number, since it is larger than the sum of its proper divisors (93599069).

653491363 is a wasteful number, since it uses less digits than its factorization.

653491363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30401.

The product of its digits is 174960, while the sum is 40.

The square root of 653491363 is about 25563.4771304688. The cubic root of 653491363 is about 867.7872880733.

The spelling of 653491363 in words is "six hundred fifty-three million, four hundred ninety-one thousand, three hundred sixty-three".