1825397125 has 8 divisors (see below), whose sum is σ = 2278095768. Its totient is φ = 1460317600.

The previous prime is 1825397113. The next prime is 1825397129. The reversal of 1825397125 is 5217935281.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 49364676 + 1776032449 = 7026^2 + 42143^2 .

It is not a de Polignac number, because 1825397125 - 2⁷ = 1825396997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1825397129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7301464 + ... + 7301713.

It is an arithmetic number, because the mean of its divisors is an integer number (284761971).

Almost surely, 2^1825397125 is an apocalyptic number.

It is an amenable number.

1825397125 is a deficient number, since it is larger than the sum of its proper divisors (452698643).

1825397125 is an equidigital number, since it uses as much as digits as its factorization.

1825397125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14603192 (or 14603182 counting only the distinct ones).

The product of its digits is 151200, while the sum is 43.

The square root of 1825397125 is about 42724.6664703190. Note that the first 3 decimals coincide. The cubic root of 1825397125 is about 1222.1348281940.

The spelling of 1825397125 in words is "one billion, eight hundred twenty-five million, three hundred ninety-seven thousand, one hundred twenty-five".