13535831 has 2 divisors, whose sum is σ = 13535832. Its totient is φ = 13535830.

The previous prime is 13535813. The next prime is 13535833. The reversal of 13535831 is 13853531.

Together with previous prime (13535813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13535831 - 2¹⁴ = 13519447 is a prime.

It is a super-2 number, since 2×13535831² = 366437441721122, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 13535833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13535794 and 13535803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13535833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6767915 + 6767916.

It is an arithmetic number, because the mean of its divisors is an integer number (6767916).

Almost surely, 2^13535831 is an apocalyptic number.

13535831 is a deficient number, since it is larger than the sum of its proper divisors (1).

13535831 is an equidigital number, since it uses as much as digits as its factorization.

13535831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5400, while the sum is 29.

The square root of 13535831 is about 3679.1073645655. The cubic root of 13535831 is about 238.3206315735.

The spelling of 13535831 in words is "thirteen million, five hundred thirty-five thousand, eight hundred thirty-one".