2525252525245 has 4 divisors (see below), whose sum is σ = 3030303030300. Its totient is φ = 2020202020192.

The previous prime is 2525252525209. The next prime is 2525252525269. The reversal of 2525252525245 is 5425252525252.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1898517469689 + 626735055556 = 1377867^2 + 791666^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525252525245 - 2⁹ = 2525252524733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2525252525195 and 2525252525204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252525252520 + ... + 252525252529.

It is an arithmetic number, because the mean of its divisors is an integer number (757575757575).

Almost surely, 2^{2525252525245} is an apocalyptic number.

It is an amenable number.

2525252525245 is a deficient number, since it is larger than the sum of its proper divisors (505050505055).

2525252525245 is an equidigital number, since it uses as much as digits as its factorization.

2525252525245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505050505054.

The product of its digits is 4000000, while the sum is 46.

The spelling of 2525252525245 in words is "two trillion, five hundred twenty-five billion, two hundred fifty-two million, five hundred twenty-five thousand, two hundred forty-five".