3550013 has 4 divisors (see below), whose sum is σ = 3553920. Its totient is φ = 3546108.

The previous prime is 3550009. The next prime is 3550069. The reversal of 3550013 is 3100553.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3550013 - 2² = 3550009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3549973 and 3550000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3552013) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 206 + ... + 2672.

It is an arithmetic number, because the mean of its divisors is an integer number (888480).

Almost surely, 2^3550013 is an apocalyptic number.

It is an amenable number.

3550013 is a deficient number, since it is larger than the sum of its proper divisors (3907).

3550013 is a wasteful number, since it uses less digits than its factorization.

3550013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 3550013 is about 1884.1478179803. The cubic root of 3550013 is about 152.5492163999.

Adding to 3550013 its reverse (3100553), we get a palindrome (6650566).

The spelling of 3550013 in words is "three million, five hundred fifty thousand, thirteen".