835213 has 2 divisors, whose sum is σ = 835214. Its totient is φ = 835212.

The previous prime is 835207. The next prime is 835217. The reversal of 835213 is 312538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 813604 + 21609 = 902^2 + 147^2 .

It is a cyclic number.

It is not a de Polignac number, because 835213 - 2¹⁷ = 704141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (835217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417606 + 417607.

It is an arithmetic number, because the mean of its divisors is an integer number (417607).

2⁸³⁵²¹³ is an apocalyptic number.

835213 is the 489-th centered heptagonal number.

It is an amenable number.

835213 is a deficient number, since it is larger than the sum of its proper divisors (1).

835213 is an equidigital number, since it uses as much as digits as its factorization.

835213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720, while the sum is 22.

The square root of 835213 is about 913.8998851078. The cubic root of 835213 is about 94.1743031198.

The spelling of 835213 in words is "eight hundred thirty-five thousand, two hundred thirteen".