2594522225 has 12 divisors (see below), whose sum is σ = 3219223644. Its totient is φ = 2074317120.

The previous prime is 2594522221. The next prime is 2594522263. The reversal of 2594522225 is 5222254952.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 620408464 + 1974113761 = 24908^2 + 44431^2 .

It is not a de Polignac number, because 2594522225 - 2² = 2594522221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2594522221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9227 + ... + 72623.

It is an arithmetic number, because the mean of its divisors is an integer number (268268637).

Almost surely, 2^2594522225 is an apocalyptic number.

2594522225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2594522225 is a deficient number, since it is larger than the sum of its proper divisors (624701419).

2594522225 is a wasteful number, since it uses less digits than its factorization.

2594522225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65044 (or 65039 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

The square root of 2594522225 is about 50936.4528113217. The cubic root of 2594522225 is about 1374.1025063240.

The spelling of 2594522225 in words is "two billion, five hundred ninety-four million, five hundred twenty-two thousand, two hundred twenty-five".