3061213 has 4 divisors (see below), whose sum is σ = 3132448. Its totient is φ = 2989980.

The previous prime is 3061187. The next prime is 3061229. The reversal of 3061213 is 3121603.

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.

It is a cyclic number.

It is not a de Polignac number, because 3061213 - 2⁵ = 3061181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061243) 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, 35553 + ... + 35638.

It is an arithmetic number, because the mean of its divisors is an integer number (783112).

Almost surely, 2^3061213 is an apocalyptic number.

It is an amenable number.

3061213 is a deficient number, since it is larger than the sum of its proper divisors (71235).

3061213 is an equidigital number, since it uses as much as digits as its factorization.

3061213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71234.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 3061213 is about 1749.6322470737. The cubic root of 3061213 is about 145.1992978841.

Adding to 3061213 its reverse (3121603), we get a palindrome (6182816).

It can be divided in two parts, 30612 and 13, that added together give a square (30625 = 175²).

The spelling of 3061213 in words is "three million, sixty-one thousand, two hundred thirteen".