3551343 has 4 divisors (see below), whose sum is σ = 4735128. Its totient is φ = 2367560.

The previous prime is 3551323. The next prime is 3551363. The reversal of 3551343 is 3431553.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3431553 = 3 ⋅1143851.

It is an interprime number because it is at equal distance from previous prime (3551323) and next prime (3551363).

It is a cyclic number.

It is not a de Polignac number, because 3551343 - 2⁹ = 3550831 is a prime.

It is a super-2 number, since 2×3551343² = 25224074207298, which contains 22 as substring.

It is a D-number.

3551343 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3551323) 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, 591888 + ... + 591893.

It is an arithmetic number, because the mean of its divisors is an integer number (1183782).

Almost surely, 2^3551343 is an apocalyptic number.

3551343 is a deficient number, since it is larger than the sum of its proper divisors (1183785).

3551343 is a wasteful number, since it uses less digits than its factorization.

3551343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183784.

The product of its digits is 2700, while the sum is 24.

The square root of 3551343 is about 1884.5007296364. The cubic root of 3551343 is about 152.5682646987.

Adding to 3551343 its reverse (3431553), we get a palindrome (6982896).

The spelling of 3551343 in words is "three million, five hundred fifty-one thousand, three hundred forty-three".