653242347 has 32 divisors (see below), whose sum is σ = 979292160. Its totient is φ = 430345440.

The previous prime is 653242327. The next prime is 653242361. The reversal of 653242347 is 743242356.

It is not a de Polignac number, because 653242347 - 2⁸ = 653242091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (653242327) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1015608 + ... + 1016250.

It is an arithmetic number, because the mean of its divisors is an integer number (30602880).

Almost surely, 2^653242347 is an apocalyptic number.

653242347 is a deficient number, since it is larger than the sum of its proper divisors (326049813).

653242347 is a wasteful number, since it uses less digits than its factorization.

653242347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1034 counting only the distinct ones).

The product of its digits is 120960, while the sum is 36.

The square root of 653242347 is about 25558.6061239654. The cubic root of 653242347 is about 867.6770492418.

Subtracting 653242347 from its reverse (743242356), we obtain a palindrome (90000009).

The spelling of 653242347 in words is "six hundred fifty-three million, two hundred forty-two thousand, three hundred forty-seven".