2860645225 has 27 divisors (see below), whose sum is σ = 3750382263. Its totient is φ = 2164217040.

The previous prime is 2860645211. The next prime is 2860645237. The reversal of 2860645225 is 5225460682.

The square root of 2860645225 is 53485.

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

It can be written as a sum of positive squares in only one way, i.e., 1029832281 + 1830812944 = 32091^2 + 42788^2 .

It is not a de Polignac number, because 2860645225 - 2¹³ = 2860637033 is a prime.

It is a super-2 number, since 2×2860645225² = 16366582206630601250, which contains 22 as substring.

It is a Duffinian 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 26 ways as a sum of consecutive naturals, for example, 5080794 + ... + 5081356.

Almost surely, 2^2860645225 is an apocalyptic number.

2860645225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2860645225 is the 53485-th square number.

2860645225 is the 26743-rd centered octagonal number.

It is an amenable number.

2860645225 is a deficient number, since it is larger than the sum of its proper divisors (889737038).

2860645225 is an frugal number, since it uses more digits than its factorization.

2860645225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The cubic root of 2860645225 is about 1419.5629854363.

Multiplying 2860645225 by its product of nonzero digits (230400), we get a square (659092659840000 = 25672800²).

The spelling of 2860645225 in words is "two billion, eight hundred sixty million, six hundred forty-five thousand, two hundred twenty-five".