13539053 has 6 divisors (see below), whose sum is σ = 14881902. Its totient is φ = 12308120.

The previous prime is 13539049. The next prime is 13539059. The reversal of 13539053 is 35093531.

It can be written as a sum of positive squares in only one way, i.e., 11854249 + 1684804 = 3443^2 + 1298^2 .

It is not a de Polignac number, because 13539053 - 2² = 13539049 is a prime.

It is a super-2 number, since 2×13539053² = 366611912273618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13539059) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55826 + ... + 56067.

It is an arithmetic number, because the mean of its divisors is an integer number (2480317).

Almost surely, 2^13539053 is an apocalyptic number.

It is an amenable number.

13539053 is a deficient number, since it is larger than the sum of its proper divisors (1342849).

13539053 is a wasteful number, since it uses less digits than its factorization.

13539053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111915 (or 111904 counting only the distinct ones).

The product of its (nonzero) digits is 6075, while the sum is 29.

The square root of 13539053 is about 3679.5452164636. The cubic root of 13539053 is about 238.3395396148.

The spelling of 13539053 in words is "thirteen million, five hundred thirty-nine thousand, fifty-three".