13225250531 has 4 divisors (see below), whose sum is σ = 13225556232. Its totient is φ = 13224944832.

The previous prime is 13225250513. The next prime is 13225250543. The reversal of 13225250531 is 13505252231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13225250531 - 2¹⁰ = 13225249507 is a prime.

It is a super-2 number, since 2×13225250531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13225250494 and 13225250503.

It is not an unprimeable number, because it can be changed into a prime (13225250501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74606 + ... + 178931.

It is an arithmetic number, because the mean of its divisors is an integer number (3306389058).

Almost surely, 2^13225250531 is an apocalyptic number.

13225250531 is a deficient number, since it is larger than the sum of its proper divisors (305701).

13225250531 is an equidigital number, since it uses as much as digits as its factorization.

13225250531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305700.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 13225250531 in words is "thirteen billion, two hundred twenty-five million, two hundred fifty thousand, five hundred thirty-one".