653345431 has 2 divisors, whose sum is σ = 653345432. Its totient is φ = 653345430.

The previous prime is 653345423. The next prime is 653345471. The reversal of 653345431 is 134543356.

653345431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 653345431 - 2³ = 653345423 is a prime.

It is a super-2 number, since 2×653345431² = 853720504417151522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (653345471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326672715 + 326672716.

It is an arithmetic number, because the mean of its divisors is an integer number (326672716).

Almost surely, 2^653345431 is an apocalyptic number.

653345431 is a deficient number, since it is larger than the sum of its proper divisors (1).

653345431 is an equidigital number, since it uses as much as digits as its factorization.

653345431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 34.

The square root of 653345431 is about 25560.6226645596. The cubic root of 653345431 is about 867.7226876979.

Adding to 653345431 its reverse (134543356), we get a palindrome (787888787).

The spelling of 653345431 in words is "six hundred fifty-three million, three hundred forty-five thousand, four hundred thirty-one".