250342381 has 2 divisors, whose sum is σ = 250342382. Its totient is φ = 250342380.

The previous prime is 250342349. The next prime is 250342397. The reversal of 250342381 is 183243052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197852356 + 52490025 = 14066^2 + 7245^2 .

It is a cyclic number.

It is not a de Polignac number, because 250342381 - 2⁵ = 250342349 is a prime.

It is a super-2 number, since 2×250342381² = 125342615449498322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (250342321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125171190 + 125171191.

It is an arithmetic number, because the mean of its divisors is an integer number (125171191).

Almost surely, 2^250342381 is an apocalyptic number.

It is an amenable number.

250342381 is a deficient number, since it is larger than the sum of its proper divisors (1).

250342381 is an equidigital number, since it uses as much as digits as its factorization.

250342381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 250342381 is about 15822.2116342817. The cubic root of 250342381 is about 630.2479757831.

The spelling of 250342381 in words is "two hundred fifty million, three hundred forty-two thousand, three hundred eighty-one".