3481813 has 2 divisors, whose sum is σ = 3481814. Its totient is φ = 3481812.

The previous prime is 3481801. The next prime is 3481823. The reversal of 3481813 is 3181843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2745649 + 736164 = 1657^2 + 858^2 .

It is a cyclic number.

It is not a de Polignac number, because 3481813 - 2⁵ = 3481781 is a prime.

3481813 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3481823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1740906 + 1740907.

It is an arithmetic number, because the mean of its divisors is an integer number (1740907).

Almost surely, 2^3481813 is an apocalyptic number.

It is an amenable number.

3481813 is a deficient number, since it is larger than the sum of its proper divisors (1).

3481813 is an equidigital number, since it uses as much as digits as its factorization.

3481813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 3481813 is about 1865.9616823504. The cubic root of 3481813 is about 151.5660086976.

The spelling of 3481813 in words is "three million, four hundred eighty-one thousand, eight hundred thirteen".