249425068 has 6 divisors (see below), whose sum is σ = 436493876. Its totient is φ = 124712532.

The previous prime is 249425047. The next prime is 249425089. The reversal of 249425068 is 860524942.

It is an interprime number because it is at equal distance from previous prime (249425047) and next prime (249425089).

It is a self number, because there is not a number n which added to its sum of digits gives 249425068.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31178130 + ... + 31178137.

Almost surely, 2^249425068 is an apocalyptic number.

It is an amenable number.

249425068 is a deficient number, since it is larger than the sum of its proper divisors (187068808).

249425068 is a wasteful number, since it uses less digits than its factorization.

249425068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62356271 (or 62356269 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 249425068 is about 15793.1968898004. The cubic root of 249425068 is about 629.4772416652.

The spelling of 249425068 in words is "two hundred forty-nine million, four hundred twenty-five thousand, sixty-eight".