653484243 has 6 divisors (see below), whose sum is σ = 871371364. Its totient is φ = 435626644.

The previous prime is 653484197. The next prime is 653484313. The reversal of 653484243 is 342484356.

It is not a de Polignac number, because 653484243 - 2¹² = 653480147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653414243) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36898 + ... + 51656.

Almost surely, 2^653484243 is an apocalyptic number.

653484243 is a deficient number, since it is larger than the sum of its proper divisors (217887121).

653484243 is an frugal number, since it uses more digits than its factorization.

653484243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29521 (or 14762 counting only the distinct ones).

The product of its digits is 276480, while the sum is 39.

The square root of 653484243 is about 25563.3378689091. The cubic root of 653484243 is about 867.7841364541.

The spelling of 653484243 in words is "six hundred fifty-three million, four hundred eighty-four thousand, two hundred forty-three".