250874020261 has 4 divisors (see below), whose sum is σ = 258966730624. Its totient is φ = 242781309900.

The previous prime is 250874020259. The next prime is 250874020337. The reversal of 250874020261 is 162020478052.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 250874020261 - 2¹ = 250874020259 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 250874020261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250874030261) 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, 4046355135 + ... + 4046355196.

It is an arithmetic number, because the mean of its divisors is an integer number (64741682656).

Almost surely, 2^250874020261 is an apocalyptic number.

It is an amenable number.

250874020261 is a deficient number, since it is larger than the sum of its proper divisors (8092710363).

250874020261 is an equidigital number, since it uses as much as digits as its factorization.

250874020261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8092710362.

The product of its (nonzero) digits is 53760, while the sum is 37.

The spelling of 250874020261 in words is "two hundred fifty billion, eight hundred seventy-four million, twenty thousand, two hundred sixty-one".