1250504225 has 6 divisors (see below), whose sum is σ = 1550625270. Its totient is φ = 1000403360.

The previous prime is 1250504179. The next prime is 1250504237. The reversal of 1250504225 is 5224050521.

It can be written as a sum of positive squares in 3 ways, for example, as 14348944 + 1236155281 = 3788^2 + 35159^2 .

It is not a de Polignac number, because 1250504225 - 2⁶ = 1250504161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1250504194 and 1250504203.

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, 25010060 + ... + 25010109.

It is an arithmetic number, because the mean of its divisors is an integer number (258437545).

Almost surely, 2^1250504225 is an apocalyptic number.

It is an amenable number.

1250504225 is a deficient number, since it is larger than the sum of its proper divisors (300121045).

1250504225 is an equidigital number, since it uses as much as digits as its factorization.

1250504225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50020179 (or 50020174 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 1250504225 is about 35362.4691586999. The cubic root of 1250504225 is about 1077.3621681890.

Adding to 1250504225 its reverse (5224050521), we get a palindrome (6474554746).

The spelling of 1250504225 in words is "one billion, two hundred fifty million, five hundred four thousand, two hundred twenty-five".