653211982 has 16 divisors (see below), whose sum is σ = 1035127440. Its totient is φ = 308294208.

The previous prime is 653211919. The next prime is 653212019. The reversal of 653211982 is 289112356.

It is a congruent number.

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, 20503 + ... + 41554.

It is an arithmetic number, because the mean of its divisors is an integer number (64695465).

Almost surely, 2^653211982 is an apocalyptic number.

653211982 is a deficient number, since it is larger than the sum of its proper divisors (381915458).

653211982 is a wasteful number, since it uses less digits than its factorization.

653211982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62355.

The product of its digits is 25920, while the sum is 37.

The square root of 653211982 is about 25558.0120901450. The cubic root of 653211982 is about 867.6636048073.

The spelling of 653211982 in words is "six hundred fifty-three million, two hundred eleven thousand, nine hundred eighty-two".