3551065 has 16 divisors (see below), whose sum is σ = 4942080. Its totient is φ = 2399040.

The previous prime is 3551057. The next prime is 3551077. The reversal of 3551065 is 5601553.

It is not a de Polignac number, because 3551065 - 2³ = 3551057 is a prime.

It is a super-2 number, since 2×3551065² = 25220125268450, which contains 22 as substring.

3551065 is a modest number, since divided by 1065 gives 355 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1771 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (308880).

Almost surely, 2^3551065 is an apocalyptic number.

3551065 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3551065 is a deficient number, since it is larger than the sum of its proper divisors (1391015).

3551065 is a wasteful number, since it uses less digits than its factorization.

3551065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 3551065 is about 1884.4269686035. The cubic root of 3551065 is about 152.5642835678.

The spelling of 3551065 in words is "three million, five hundred fifty-one thousand, sixty-five".