653345372 has 6 divisors (see below), whose sum is σ = 1143354408. Its totient is φ = 326672684.

The previous prime is 653345333. The next prime is 653345387. The reversal of 653345372 is 273543356.

It is a super-2 number, since 2×653345372² = 853720350227636768, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81668168 + ... + 81668175.

It is an arithmetic number, because the mean of its divisors is an integer number (190559068).

Almost surely, 2^653345372 is an apocalyptic number.

It is an amenable number.

653345372 is a deficient number, since it is larger than the sum of its proper divisors (490009036).

653345372 is a wasteful number, since it uses less digits than its factorization.

653345372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163336347 (or 163336345 counting only the distinct ones).

The product of its digits is 226800, while the sum is 38.

The square root of 653345372 is about 25560.6215104406. The cubic root of 653345372 is about 867.7226615781.

The spelling of 653345372 in words is "six hundred fifty-three million, three hundred forty-five thousand, three hundred seventy-two".