431655613 has 2 divisors, whose sum is σ = 431655614. Its totient is φ = 431655612.

The previous prime is 431655589. The next prime is 431655617. The reversal of 431655613 is 316556134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 274830084 + 156825529 = 16578^2 + 12523^2 .

It is a cyclic number.

It is not a de Polignac number, because 431655613 - 2¹³ = 431647421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (431655617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215827806 + 215827807.

It is an arithmetic number, because the mean of its divisors is an integer number (215827807).

Almost surely, 2^431655613 is an apocalyptic number.

It is an amenable number.

431655613 is a deficient number, since it is larger than the sum of its proper divisors (1).

431655613 is an equidigital number, since it uses as much as digits as its factorization.

431655613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 34.

The square root of 431655613 is about 20776.3233754194. The cubic root of 431655613 is about 755.7516967043.

The spelling of 431655613 in words is "four hundred thirty-one million, six hundred fifty-five thousand, six hundred thirteen".