1925170225 has 12 divisors (see below), whose sum is σ = 2604230640. Its totient is φ = 1400123600.

The previous prime is 1925170223. The next prime is 1925170241. The reversal of 1925170225 is 5220715291.

It is not a de Polignac number, because 1925170225 - 2¹ = 1925170223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1925170223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3500035 + ... + 3500584.

It is an arithmetic number, because the mean of its divisors is an integer number (217019220).

Almost surely, 2^1925170225 is an apocalyptic number.

It is an amenable number.

1925170225 is a deficient number, since it is larger than the sum of its proper divisors (679060415).

1925170225 is a wasteful number, since it uses less digits than its factorization.

1925170225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000640 (or 7000635 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 1925170225 is about 43876.7617879898. The cubic root of 1925170225 is about 1244.0076338090.

The spelling of 1925170225 in words is "one billion, nine hundred twenty-five million, one hundred seventy thousand, two hundred twenty-five".