249475298 has 8 divisors (see below), whose sum is σ = 377524908. Its totient is φ = 123633664.

The previous prime is 249475267. The next prime is 249475309. The reversal of 249475298 is 892574942.

It can be written as a sum of positive squares in 2 ways, for example, as 244515769 + 4959529 = 15637^2 + 2227^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551711 + ... + 552162.

Almost surely, 2^249475298 is an apocalyptic number.

249475298 is a deficient number, since it is larger than the sum of its proper divisors (128049610).

249475298 is a wasteful number, since it uses less digits than its factorization.

249475298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103988.

The product of its digits is 1451520, while the sum is 50.

The square root of 249475298 is about 15794.7870514293. The cubic root of 249475298 is about 629.5194941939.

The spelling of 249475298 in words is "two hundred forty-nine million, four hundred seventy-five thousand, two hundred ninety-eight".