2905213 has 2 divisors, whose sum is σ = 2905214. Its totient is φ = 2905212.

The previous prime is 2905193. The next prime is 2905223. The reversal of 2905213 is 3125092.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1734489 + 1170724 = 1317^2 + 1082^2 .

It is a cyclic number.

It is not a de Polignac number, because 2905213 - 2¹⁷ = 2774141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2905223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452606 + 1452607.

It is an arithmetic number, because the mean of its divisors is an integer number (1452607).

2^2905213 is an apocalyptic number.

It is an amenable number.

2905213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2905213 is an equidigital number, since it uses as much as digits as its factorization.

2905213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 2905213 is about 1704.4685388707. The cubic root of 2905213 is about 142.6897114151.

The spelling of 2905213 in words is "two million, nine hundred five thousand, two hundred thirteen".