251050427 has 2 divisors, whose sum is σ = 251050428. Its totient is φ = 251050426.

The previous prime is 251050417. The next prime is 251050433. The reversal of 251050427 is 724050152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 251050427 - 2¹⁶ = 250984891 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 251050396 and 251050405.

It is not a weakly prime, because it can be changed into another prime (251050417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125525213 + 125525214.

It is an arithmetic number, because the mean of its divisors is an integer number (125525214).

Almost surely, 2^251050427 is an apocalyptic number.

251050427 is a deficient number, since it is larger than the sum of its proper divisors (1).

251050427 is an equidigital number, since it uses as much as digits as its factorization.

251050427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 251050427 is about 15844.5708998382. The cubic root of 251050427 is about 630.8415954893.

The spelling of 251050427 in words is "two hundred fifty-one million, fifty thousand, four hundred twenty-seven".