250645963 has 4 divisors (see below), whose sum is σ = 253230040. Its totient is φ = 248061888.

The previous prime is 250645951. The next prime is 250645991. The reversal of 250645963 is 369546052.

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-250645963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250640963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1291893 + ... + 1292086.

It is an arithmetic number, because the mean of its divisors is an integer number (63307510).

Almost surely, 2^250645963 is an apocalyptic number.

250645963 is a deficient number, since it is larger than the sum of its proper divisors (2584077).

250645963 is an equidigital number, since it uses as much as digits as its factorization.

250645963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584076.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 250645963 is about 15831.8022663246. The cubic root of 250645963 is about 630.5026332268.

The spelling of 250645963 in words is "two hundred fifty million, six hundred forty-five thousand, nine hundred sixty-three".