2405213 has 2 divisors, whose sum is σ = 2405214. Its totient is φ = 2405212.

The previous prime is 2405209. The next prime is 2405239. The reversal of 2405213 is 3125042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1582564 + 822649 = 1258^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405213 - 2² = 2405209 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2405191 and 2405200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2405203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202606 + 1202607.

It is an arithmetic number, because the mean of its divisors is an integer number (1202607).

2^2405213 is an apocalyptic number.

It is an amenable number.

2405213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405213 is an equidigital number, since it uses as much as digits as its factorization.

2405213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 2405213 is about 1550.8749143629. The cubic root of 2405213 is about 133.9834575257.

The spelling of 2405213 in words is "two million, four hundred five thousand, two hundred thirteen".