3485257 has 2 divisors, whose sum is σ = 3485258. Its totient is φ = 3485256.

The previous prime is 3485233. The next prime is 3485269. The reversal of 3485257 is 7525843.

It is a happy number.

3485257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2493241 + 992016 = 1579^2 + 996^2 .

It is a cyclic number.

It is not a de Polignac number, because 3485257 - 2⁷ = 3485129 is a prime.

It is not a weakly prime, because it can be changed into another prime (3485297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1742628 + 1742629.

It is an arithmetic number, because the mean of its divisors is an integer number (1742629).

Almost surely, 2^3485257 is an apocalyptic number.

It is an amenable number.

3485257 is a deficient number, since it is larger than the sum of its proper divisors (1).

3485257 is an equidigital number, since it uses as much as digits as its factorization.

3485257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 34.

The square root of 3485257 is about 1866.8843027890. The cubic root of 3485257 is about 151.6159655563.

The spelling of 3485257 in words is "three million, four hundred eighty-five thousand, two hundred fifty-seven".