13533025 has 12 divisors (see below), whose sum is σ = 18306864. Its totient is φ = 9842000.

The previous prime is 13533017. The next prime is 13533043. The reversal of 13533025 is 52033531.

It is a happy number.

It is not a de Polignac number, because 13533025 - 2³ = 13533017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13532987 and 13533005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24331 + ... + 24880.

It is an arithmetic number, because the mean of its divisors is an integer number (1525572).

Almost surely, 2^13533025 is an apocalyptic number.

It is an amenable number.

13533025 is a deficient number, since it is larger than the sum of its proper divisors (4773839).

13533025 is a wasteful number, since it uses less digits than its factorization.

13533025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49232 (or 49227 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 22.

The square root of 13533025 is about 3678.7260023003. The cubic root of 13533025 is about 238.3041623493.

Subtracting from 13533025 its sum of digits (22), we obtain a triangular number (13533003 = T₅₂₀₂).

Adding to 13533025 its reverse (52033531), we get a palindrome (65566556).

The spelling of 13533025 in words is "thirteen million, five hundred thirty-three thousand, twenty-five".