102050251 has 2 divisors, whose sum is σ = 102050252. Its totient is φ = 102050250.

The previous prime is 102050231. The next prime is 102050257. The reversal of 102050251 is 152050201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102050251 - 2⁵ = 102050219 is a prime.

It is not a weakly prime, because it can be changed into another prime (102050257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51025125 + 51025126.

It is an arithmetic number, because the mean of its divisors is an integer number (51025126).

Almost surely, 2^102050251 is an apocalyptic number.

102050251 is a deficient number, since it is larger than the sum of its proper divisors (1).

102050251 is an equidigital number, since it uses as much as digits as its factorization.

102050251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 102050251 is about 10101.9924272393. The cubic root of 102050251 is about 467.3095887325.

The spelling of 102050251 in words is "one hundred two million, fifty thousand, two hundred fifty-one".