2249985000025 has 81 divisors (see below), whose sum is σ = 3448997830647. Its totient is φ = 1451515161600.

The previous prime is 2249985000013. The next prime is 2249985000071. The reversal of 2249985000025 is 5200005899422.

The square root of 2249985000025 is 1499995.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 2176507139401 + 73477860624 = 1475299^2 + 271068^2 .

It is not a de Polignac number, because 2249985000025 - 2¹¹ = 2249984997977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 892495765 + ... + 892498285.

Almost surely, 2^{2249985000025} is an apocalyptic number.

2249985000025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2249985000025 is the 1499995-th square number.

2249985000025 is the 749998-th centered octagonal number.

It is an amenable number.

2249985000025 is a deficient number, since it is larger than the sum of its proper divisors (1199012830622).

2249985000025 is an frugal number, since it uses more digits than its factorization.

2249985000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 2249985000025 in words is "two trillion, two hundred forty-nine billion, nine hundred eighty-five million, twenty-five", and thus it is an aban number.