3351181 has 4 divisors (see below), whose sum is σ = 3358972. Its totient is φ = 3343392.

The previous prime is 3351121. The next prime is 3351191. The reversal of 3351181 is 1811533.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1190281 + 2160900 = 1091^2 + 1470^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3351181 is a prime.

It is a super-2 number, since 2×3351181² = 22460828189522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3351121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3210 + ... + 4123.

It is an arithmetic number, because the mean of its divisors is an integer number (839743).

Almost surely, 2^3351181 is an apocalyptic number.

It is an amenable number.

3351181 is a deficient number, since it is larger than the sum of its proper divisors (7791).

3351181 is an equidigital number, since it uses as much as digits as its factorization.

3351181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7790.

The product of its digits is 360, while the sum is 22.

The square root of 3351181 is about 1830.6231179574. The cubic root of 3351181 is about 149.6462925216.

The spelling of 3351181 in words is "three million, three hundred fifty-one thousand, one hundred eighty-one".