653245231 has 2 divisors, whose sum is σ = 653245232. Its totient is φ = 653245230.

The previous prime is 653245223. The next prime is 653245253. The reversal of 653245231 is 132542356.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653245231 - 2³ = 653245223 is a prime.

It is a super-2 number, since 2×653245231² = 853458663648486722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 653245193 and 653245202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653245211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326622615 + 326622616.

It is an arithmetic number, because the mean of its divisors is an integer number (326622616).

Almost surely, 2^653245231 is an apocalyptic number.

653245231 is a deficient number, since it is larger than the sum of its proper divisors (1).

653245231 is an equidigital number, since it uses as much as digits as its factorization.

653245231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 31.

The square root of 653245231 is about 25558.6625432553. The cubic root of 653245231 is about 867.6783261425.

Adding to 653245231 its reverse (132542356), we get a palindrome (785787587).

The spelling of 653245231 in words is "six hundred fifty-three million, two hundred forty-five thousand, two hundred thirty-one".