13465025225 has 6 divisors (see below), whose sum is σ = 16696631310. Its totient is φ = 10772020160.

The previous prime is 13465025213. The next prime is 13465025227. The reversal of 13465025225 is 52252056431.

13465025225 = 13362² + 13363² + ... + 13436².

It can be written as a sum of positive squares in 3 ways, for example, as 4282786249 + 9182238976 = 65443^2 + 95824^2 .

It is not a de Polignac number, because 13465025225 - 2¹⁶ = 13464959689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13465025227) 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, 269300480 + ... + 269300529.

It is an arithmetic number, because the mean of its divisors is an integer number (2782771885).

Almost surely, 2^13465025225 is an apocalyptic number.

It is an amenable number.

13465025225 is a deficient number, since it is larger than the sum of its proper divisors (3231606085).

13465025225 is an equidigital number, since it uses as much as digits as its factorization.

13465025225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538601019 (or 538601014 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 13465025225 in words is "thirteen billion, four hundred sixty-five million, twenty-five thousand, two hundred twenty-five".