3551165 has 8 divisors (see below), whose sum is σ = 4274520. Its totient is φ = 2832192.

The previous prime is 3551161. The next prime is 3551173. The reversal of 3551165 is 5611553.

It can be written as a sum of positive squares in 4 ways, for example, as 1413721 + 2137444 = 1189^2 + 1462^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3551165 - 2² = 3551161 is a prime.

It is a super-2 number, since 2×3551165² = 25221545714450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1091 + ... + 2879.

It is an arithmetic number, because the mean of its divisors is an integer number (534315).

Almost surely, 2^3551165 is an apocalyptic number.

It is an amenable number.

3551165 is a deficient number, since it is larger than the sum of its proper divisors (723355).

3551165 is a wasteful number, since it uses less digits than its factorization.

3551165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2191.

The product of its digits is 2250, while the sum is 26.

The square root of 3551165 is about 1884.4535016816. The cubic root of 3551165 is about 152.5657156532.

The spelling of 3551165 in words is "three million, five hundred fifty-one thousand, one hundred sixty-five".