3506249 has 2 divisors, whose sum is σ = 3506250. Its totient is φ = 3506248.

The previous prime is 3506213. The next prime is 3506287. The reversal of 3506249 is 9426053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2866249 + 640000 = 1693^2 + 800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3506249 is a prime.

It is not a weakly prime, because it can be changed into another prime (3506149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1753124 + 1753125.

It is an arithmetic number, because the mean of its divisors is an integer number (1753125).

Almost surely, 2^3506249 is an apocalyptic number.

It is an amenable number.

3506249 is a deficient number, since it is larger than the sum of its proper divisors (1).

3506249 is an equidigital number, since it uses as much as digits as its factorization.

3506249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3506249 is about 1872.4980640844. The cubic root of 3506249 is about 151.9197550817.

The spelling of 3506249 in words is "three million, five hundred six thousand, two hundred forty-nine".