250650421 has 4 divisors (see below), whose sum is σ = 286457632. Its totient is φ = 214843212.

The previous prime is 250650401. The next prime is 250650427. The reversal of 250650421 is 124056052.

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 250650421 - 2⁷ = 250650293 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 (250650427) 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, 17903595 + ... + 17903608.

It is an arithmetic number, because the mean of its divisors is an integer number (71614408).

Almost surely, 2^250650421 is an apocalyptic number.

It is an amenable number.

250650421 is a deficient number, since it is larger than the sum of its proper divisors (35807211).

250650421 is an equidigital number, since it uses as much as digits as its factorization.

250650421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35807210.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 250650421 is about 15831.9430582604. The cubic root of 250650421 is about 630.5063712537.

The spelling of 250650421 in words is "two hundred fifty million, six hundred fifty thousand, four hundred twenty-one".