1252575425 has 6 divisors (see below), whose sum is σ = 1553193558. Its totient is φ = 1002060320.

The previous prime is 1252575413. The next prime is 1252575431. The reversal of 1252575425 is 5245752521.

It can be written as a sum of positive squares in 3 ways, for example, as 9096256 + 1243479169 = 3016^2 + 35263^2 .

It is not a de Polignac number, because 1252575425 - 2²⁰ = 1251526849 is a prime.

It is a Duffinian number.

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, 25051484 + ... + 25051533.

It is an arithmetic number, because the mean of its divisors is an integer number (258865593).

Almost surely, 2^1252575425 is an apocalyptic number.

It is an amenable number.

1252575425 is a deficient number, since it is larger than the sum of its proper divisors (300618133).

1252575425 is an equidigital number, since it uses as much as digits as its factorization.

1252575425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50103027 (or 50103022 counting only the distinct ones).

The product of its digits is 140000, while the sum is 38.

The square root of 1252575425 is about 35391.7423278369. The cubic root of 1252575425 is about 1077.9566488373.

The spelling of 1252575425 in words is "one billion, two hundred fifty-two million, five hundred seventy-five thousand, four hundred twenty-five".