5145250225 has 6 divisors (see below), whose sum is σ = 6380110310. Its totient is φ = 4116200160.

The previous prime is 5145250199. The next prime is 5145250283. The reversal of 5145250225 is 5220525415.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 361038001 + 4784212224 = 19001^2 + 69168^2 .

It is not a de Polignac number, because 5145250225 - 2⁹ = 5145249713 is a prime.

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, 102904980 + ... + 102905029.

Almost surely, 2^5145250225 is an apocalyptic number.

It is an amenable number.

5145250225 is a deficient number, since it is larger than the sum of its proper divisors (1234860085).

5145250225 is a wasteful number, since it uses less digits than its factorization.

5145250225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205810019 (or 205810014 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5145250225 is about 71730.3995876225. The cubic root of 5145250225 is about 1726.3764383312.

The spelling of 5145250225 in words is "five billion, one hundred forty-five million, two hundred fifty thousand, two hundred twenty-five".