13345525 has 6 divisors (see below), whose sum is σ = 16548482. Its totient is φ = 10676400.

The previous prime is 13345513. The next prime is 13345571. The reversal of 13345525 is 52554331.

It can be written as a sum of positive squares in 3 ways, for example, as 2316484 + 11029041 = 1522^2 + 3321^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13345525 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13345493 and 13345502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 266886 + ... + 266935.

Almost surely, 2^13345525 is an apocalyptic number.

It is an amenable number.

13345525 is a deficient number, since it is larger than the sum of its proper divisors (3202957).

13345525 is an equidigital number, since it uses as much as digits as its factorization.

13345525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533831 (or 533826 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 13345525 is about 3653.1527479699. The cubic root of 13345525 is about 237.1984723779.

Adding to 13345525 its reverse (52554331), we get a palindrome (65899856).

It can be divided in two parts, 1334 and 5525, that added together give a cube (6859 = 19³).

The spelling of 13345525 in words is "thirteen million, three hundred forty-five thousand, five hundred twenty-five".