4102249 has 2 divisors, whose sum is σ = 4102250. Its totient is φ = 4102248.

The previous prime is 4102247. The next prime is 4102283. The reversal of 4102249 is 9422014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3396649 + 705600 = 1843^2 + 840^2 .

It is a cyclic number.

It is not a de Polignac number, because 4102249 - 2¹ = 4102247 is a prime.

Together with 4102247, it forms a pair of twin primes.

It is a Chen prime.

4102249 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (4102247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2051124 + 2051125.

It is an arithmetic number, because the mean of its divisors is an integer number (2051125).

Almost surely, 2^4102249 is an apocalyptic number.

It is an amenable number.

4102249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4102249 is an equidigital number, since it uses as much as digits as its factorization.

4102249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4102249 is about 2025.4009479607. The cubic root of 4102249 is about 160.0813258437.

The spelling of 4102249 in words is "four million, one hundred two thousand, two hundred forty-nine".