13535069 has 2 divisors, whose sum is σ = 13535070. Its totient is φ = 13535068.

The previous prime is 13535057. The next prime is 13535101. The reversal of 13535069 is 96053531.

It is an a-pointer prime, because the next prime (13535101) can be obtained adding 13535069 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9229444 + 4305625 = 3038^2 + 2075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13535069 is a prime.

It is a super-2 number, since 2×13535069² = 366396185669522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13535029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6767534 + 6767535.

It is an arithmetic number, because the mean of its divisors is an integer number (6767535).

Almost surely, 2^13535069 is an apocalyptic number.

It is an amenable number.

13535069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13535069 is an equidigital number, since it uses as much as digits as its factorization.

13535069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 13535069 is about 3679.0038053799. The cubic root of 13535069 is about 238.3161594006.

The spelling of 13535069 in words is "thirteen million, five hundred thirty-five thousand, sixty-nine".