250987063 has 4 divisors (see below), whose sum is σ = 261899568. Its totient is φ = 240074560.

The previous prime is 250987027. The next prime is 250987069. The reversal of 250987063 is 360789052.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-250987063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250987069) 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, 5456218 + ... + 5456263.

It is an arithmetic number, because the mean of its divisors is an integer number (65474892).

Almost surely, 2^250987063 is an apocalyptic number.

250987063 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

250987063 is a deficient number, since it is larger than the sum of its proper divisors (10912505).

250987063 is a wasteful number, since it uses less digits than its factorization.

250987063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10912504.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 250987063 is about 15842.5712243941. The cubic root of 250987063 is about 630.7885171619.

The spelling of 250987063 in words is "two hundred fifty million, nine hundred eighty-seven thousand, sixty-three".