1249088825 has 6 divisors (see below), whose sum is σ = 1548870174. Its totient is φ = 999271040.

The previous prime is 1249088803. The next prime is 1249088833. The reversal of 1249088825 is 5288809421.

It can be written as a sum of positive squares in 3 ways, for example, as 8922169 + 1240166656 = 2987^2 + 35216^2 .

It is not a de Polignac number, because 1249088825 - 2¹⁴ = 1249072441 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1249088825.

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, 24981752 + ... + 24981801.

It is an arithmetic number, because the mean of its divisors is an integer number (258145029).

Almost surely, 2^1249088825 is an apocalyptic number.

It is an amenable number.

1249088825 is a deficient number, since it is larger than the sum of its proper divisors (299781349).

1249088825 is an equidigital number, since it uses as much as digits as its factorization.

1249088825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49963563 (or 49963558 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 1249088825 is about 35342.4507497712. The cubic root of 1249088825 is about 1076.9555391215.

The spelling of 1249088825 in words is "one billion, two hundred forty-nine million, eighty-eight thousand, eight hundred twenty-five".