2500225531 has 4 divisors (see below), whose sum is σ = 2567799232. Its totient is φ = 2432651832.

The previous prime is 2500225529. The next prime is 2500225573. The reversal of 2500225531 is 1355220052.

It is a happy number.

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 2500225531 - 2¹ = 2500225529 is a prime.

It is a super-2 number, since 2×2500225531² = 12502255411728463922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2500225496 and 2500225505.

It is not an unprimeable number, because it can be changed into a prime (2500225591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33786795 + ... + 33786868.

It is an arithmetic number, because the mean of its divisors is an integer number (641949808).

Almost surely, 2^2500225531 is an apocalyptic number.

2500225531 is a deficient number, since it is larger than the sum of its proper divisors (67573701).

2500225531 is an equidigital number, since it uses as much as digits as its factorization.

2500225531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67573700.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 2500225531 is about 50002.2552591381. The cubic root of 2500225531 is about 1357.2496194249.

Adding to 2500225531 its reverse (1355220052), we get a palindrome (3855445583).

The spelling of 2500225531 in words is "two billion, five hundred million, two hundred twenty-five thousand, five hundred thirty-one".