251942083 has 2 divisors, whose sum is σ = 251942084. Its totient is φ = 251942082.

The previous prime is 251942081. The next prime is 251942099. The reversal of 251942083 is 380249152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 251942083 - 2¹ = 251942081 is a prime.

Together with 251942081, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (251942081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125971041 + 125971042.

It is an arithmetic number, because the mean of its divisors is an integer number (125971042).

Almost surely, 2^251942083 is an apocalyptic number.

251942083 is a deficient number, since it is larger than the sum of its proper divisors (1).

251942083 is an equidigital number, since it uses as much as digits as its factorization.

251942083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 251942083 is about 15872.6835475291. The cubic root of 251942083 is about 631.5875665609.

The spelling of 251942083 in words is "two hundred fifty-one million, nine hundred forty-two thousand, eighty-three".