2175756025 has 27 divisors (see below), whose sum is σ = 2853218703. Its totient is φ = 1645635600.

The previous prime is 2175756013. The next prime is 2175756031. The reversal of 2175756025 is 5206575712.

The square root of 2175756025 is 46645.

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., 783272169 + 1392483856 = 27987^2 + 37316^2 .

It is not a de Polignac number, because 2175756025 - 2⁹ = 2175755513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 4431030 + ... + 4431520.

Almost surely, 2^2175756025 is an apocalyptic number.

2175756025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2175756025 is the 46645-th square number.

2175756025 is the 23323-rd centered octagonal number.

It is an amenable number.

2175756025 is a deficient number, since it is larger than the sum of its proper divisors (677462678).

2175756025 is an frugal number, since it uses more digits than its factorization.

2175756025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 40.

The cubic root of 2175756025 is about 1295.7962882910.

The spelling of 2175756025 in words is "two billion, one hundred seventy-five million, seven hundred fifty-six thousand, twenty-five".