125002825 has 6 divisors (see below), whose sum is σ = 155003534. Its totient is φ = 100002240.

The previous prime is 125002811. The next prime is 125002837. The reversal of 125002825 is 528200521.

It can be written as a sum of positive squares in 3 ways, for example, as 524176 + 124478649 = 724^2 + 11157^2 .

It is not a de Polignac number, because 125002825 - 2⁵ = 125002793 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5000113 = 125002825 / (1 + 2 + 5 + 0 + 0 + 2 + 8 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125002825.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2500032 + ... + 2500081.

Almost surely, 2^125002825 is an apocalyptic number.

It is an amenable number.

125002825 is a deficient number, since it is larger than the sum of its proper divisors (30000709).

125002825 is an equidigital number, since it uses as much as digits as its factorization.

125002825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000123 (or 5000118 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 125002825 is about 11180.4662246259. The cubic root of 125002825 is about 500.0037666383.

The spelling of 125002825 in words is "one hundred twenty-five million, two thousand, eight hundred twenty-five".