13531093 has 2 divisors, whose sum is σ = 13531094. Its totient is φ = 13531092.

The previous prime is 13531073. The next prime is 13531103. The reversal of 13531093 is 39013531.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12794929 + 736164 = 3577^2 + 858^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13531093 is a prime.

It is equal to p₈₈₁₅₁₂ and since 13531093 and 881512 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765546 + 6765547.

It is an arithmetic number, because the mean of its divisors is an integer number (6765547).

Almost surely, 2^13531093 is an apocalyptic number.

It is an amenable number.

13531093 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531093 is an equidigital number, since it uses as much as digits as its factorization.

13531093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 25.

The square root of 13531093 is about 3678.4634020199. The cubic root of 13531093 is about 238.2928215601.

The spelling of 13531093 in words is "thirteen million, five hundred thirty-one thousand, ninety-three".