2245256525 has 6 divisors (see below), whose sum is σ = 2784118122. Its totient is φ = 1796205200.

The previous prime is 2245256509. The next prime is 2245256537. The reversal of 2245256525 is 5256525422.

It can be written as a sum of positive squares in 3 ways, for example, as 47803396 + 2197453129 = 6914^2 + 46877^2 .

It is not a de Polignac number, because 2245256525 - 2⁴ = 2245256509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 44905106 + ... + 44905155.

It is an arithmetic number, because the mean of its divisors is an integer number (464019687).

Almost surely, 2^2245256525 is an apocalyptic number.

2245256525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2245256525 is a deficient number, since it is larger than the sum of its proper divisors (538861597).

2245256525 is an equidigital number, since it uses as much as digits as its factorization.

2245256525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89810271 (or 89810266 counting only the distinct ones).

The product of its digits is 240000, while the sum is 38.

The square root of 2245256525 is about 47384.1379049994. The cubic root of 2245256525 is about 1309.4492032118.

The spelling of 2245256525 in words is "two billion, two hundred forty-five million, two hundred fifty-six thousand, five hundred twenty-five".