653422905 has 48 divisors (see below), whose sum is σ = 1162646784. Its totient is φ = 339325440.

The previous prime is 653422879. The next prime is 653422933. The reversal of 653422905 is 509224356.

It is not a de Polignac number, because 653422905 - 2⁵ = 653422873 is a prime.

It is a super-2 number, since 2×653422905² = 853922985557278050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 653422905.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 479425 + ... + 480785.

It is an arithmetic number, because the mean of its divisors is an integer number (24221808).

Almost surely, 2^653422905 is an apocalyptic number.

It is an amenable number.

653422905 is a deficient number, since it is larger than the sum of its proper divisors (509223879).

653422905 is a wasteful number, since it uses less digits than its factorization.

653422905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 653422905 is about 25562.1381147978. The cubic root of 653422905 is about 867.7569846600.

The spelling of 653422905 in words is "six hundred fifty-three million, four hundred twenty-two thousand, nine hundred five".