3391061 has 2 divisors, whose sum is σ = 3391062. Its totient is φ = 3391060.

The previous prime is 3391049. The next prime is 3391067. The reversal of 3391061 is 1601933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2992900 + 398161 = 1730^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 3391061 - 2¹⁴ = 3374677 is a prime.

It is a super-2 number, since 2×3391061² = 22998589411442, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3391067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1695530 + 1695531.

It is an arithmetic number, because the mean of its divisors is an integer number (1695531).

Almost surely, 2^3391061 is an apocalyptic number.

It is an amenable number.

3391061 is a deficient number, since it is larger than the sum of its proper divisors (1).

3391061 is an equidigital number, since it uses as much as digits as its factorization.

3391061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 23.

The square root of 3391061 is about 1841.4833694606. The cubic root of 3391061 is about 150.2375642968.

Adding to 3391061 its reverse (1601933), we get a palindrome (4992994).

The spelling of 3391061 in words is "three million, three hundred ninety-one thousand, sixty-one".