3551345 has 8 divisors (see below), whose sum is σ = 4870464. Its totient is φ = 2435184.

The previous prime is 3551323. The next prime is 3551363. The reversal of 3551345 is 5431553.

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 3551345 - 2⁸ = 3551089 is a prime.

It is a super-2 number, since 2×3551345² = 25224102618050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50699 + ... + 50768.

It is an arithmetic number, because the mean of its divisors is an integer number (608808).

Almost surely, 2^3551345 is an apocalyptic number.

3551345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3551345 is a deficient number, since it is larger than the sum of its proper divisors (1319119).

3551345 is a wasteful number, since it uses less digits than its factorization.

3551345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101479.

The product of its digits is 4500, while the sum is 26.

The square root of 3551345 is about 1884.5012602808. The cubic root of 3551345 is about 152.5682933392.

Adding to 3551345 its reverse (5431553), we get a palindrome (8982898).

It can be divided in two parts, 355134 and 5, that multiplied together give a triangular number (1775670 = T₁₈₈₄).

The spelling of 3551345 in words is "three million, five hundred fifty-one thousand, three hundred forty-five".