249895026 has 12 divisors (see below), whose sum is σ = 541439262. Its totient is φ = 83298336.

The previous prime is 249895021. The next prime is 249895027. The reversal of 249895026 is 620598942.

249895026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 179586801 + 70308225 = 13401^2 + 8385^2 .

It is not an unprimeable number, because it can be changed into a prime (249895021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6941511 + ... + 6941546.

Almost surely, 2^249895026 is an apocalyptic number.

249895026 is an abundant number, since it is smaller than the sum of its proper divisors (291544236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

249895026 is a wasteful number, since it uses less digits than its factorization.

249895026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13883065 (or 13883062 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 249895026 is about 15808.0683829493. The cubic root of 249895026 is about 629.8723399686.

The spelling of 249895026 in words is "two hundred forty-nine million, eight hundred ninety-five thousand, twenty-six".