250740097 has 4 divisors (see below), whose sum is σ = 251458900. Its totient is φ = 250021296.

The previous prime is 250740079. The next prime is 250740103. The reversal of 250740097 is 790047052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 154778481 + 95961616 = 12441^2 + 9796^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250740097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250740067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 358878 + ... + 359575.

It is an arithmetic number, because the mean of its divisors is an integer number (62864725).

Almost surely, 2^250740097 is an apocalyptic number.

It is an amenable number.

250740097 is a deficient number, since it is larger than the sum of its proper divisors (718803).

250740097 is an equidigital number, since it uses as much as digits as its factorization.

250740097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718802.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 250740097 is about 15834.7749273553. The cubic root of 250740097 is about 630.5815550462.

The spelling of 250740097 in words is "two hundred fifty million, seven hundred forty thousand, ninety-seven".