2125671025 has 9 divisors (see below), whose sum is σ = 2636117953. Its totient is φ = 1700352400.

The previous prime is 2125670977. The next prime is 2125671047. The reversal of 2125671025 is 5201765212.

The square root of 2125671025 is 46105.

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

It can be written as a sum of positive squares in 4 ways, for example, as 251127409 + 1874543616 = 15847^2 + 43296^2 .

It is not a de Polignac number, because 2125671025 - 2²⁹ = 1588800113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 225915 + ... + 235135.

Almost surely, 2^2125671025 is an apocalyptic number.

2125671025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2125671025 is the 46105-th square number.

2125671025 is the 23053-rd centered octagonal number.

It is an amenable number.

2125671025 is a deficient number, since it is larger than the sum of its proper divisors (510446928).

2125671025 is an frugal number, since it uses more digits than its factorization.

2125671025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18452 (or 9226 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The cubic root of 2125671025 is about 1285.7761061251.

The spelling of 2125671025 in words is "two billion, one hundred twenty-five million, six hundred seventy-one thousand, twenty-five".