125695825 has 6 divisors (see below), whose sum is σ = 155862854. Its totient is φ = 100556640.

The previous prime is 125695753. The next prime is 125695859. The reversal of 125695825 is 528596521.

It can be written as a sum of positive squares in 3 ways, for example, as 18386944 + 107308881 = 4288^2 + 10359^2 .

It is not a de Polignac number, because 125695825 - 2¹⁷ = 125564753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2513892 + ... + 2513941.

Almost surely, 2^125695825 is an apocalyptic number.

It is an amenable number.

125695825 is a deficient number, since it is larger than the sum of its proper divisors (30167029).

125695825 is an equidigital number, since it uses as much as digits as its factorization.

125695825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5027843 (or 5027838 counting only the distinct ones).

The product of its digits is 216000, while the sum is 43.

The square root of 125695825 is about 11211.4149419241. The cubic root of 125695825 is about 500.9260504689.

The spelling of 125695825 in words is "one hundred twenty-five million, six hundred ninety-five thousand, eight hundred twenty-five".