13523202325 has 24 divisors (see below), whose sum is σ = 16923856040. Its totient is φ = 10718956800.

The previous prime is 13523202317. The next prime is 13523202361. The reversal of 13523202325 is 52320232531.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 10484326449 + 3038875876 = 102393^2 + 55126^2 .

It is not a de Polignac number, because 13523202325 - 2³ = 13523202317 is a prime.

It is a super-2 number, since 2×13523202325² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13523202293 and 13523202302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1248031 + ... + 1258819.

Almost surely, 2^13523202325 is an apocalyptic number.

It is an amenable number.

13523202325 is a deficient number, since it is larger than the sum of its proper divisors (3400653715).

13523202325 is a wasteful number, since it uses less digits than its factorization.

13523202325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11257 (or 11252 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 13523202325 its reverse (52320232531), we get a palindrome (65843434856).

The spelling of 13523202325 in words is "thirteen billion, five hundred twenty-three million, two hundred two thousand, three hundred twenty-five".