102050257 has 2 divisors, whose sum is σ = 102050258. Its totient is φ = 102050256.

The previous prime is 102050251. The next prime is 102050297. The reversal of 102050257 is 752050201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64705936 + 37344321 = 8044^2 + 6111^2 .

It is a cyclic number.

It is not a de Polignac number, because 102050257 - 2¹¹ = 102048209 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102050251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51025128 + 51025129.

It is an arithmetic number, because the mean of its divisors is an integer number (51025129).

Almost surely, 2^102050257 is an apocalyptic number.

It is an amenable number.

102050257 is a deficient number, since it is larger than the sum of its proper divisors (1).

102050257 is an equidigital number, since it uses as much as digits as its factorization.

102050257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 102050257 is about 10101.9927242104. The cubic root of 102050257 is about 467.3095978909.

The spelling of 102050257 in words is "one hundred two million, fifty thousand, two hundred fifty-seven".