234505213 has 2 divisors, whose sum is σ = 234505214. Its totient is φ = 234505212.

The previous prime is 234505177. The next prime is 234505247. The reversal of 234505213 is 312505432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199007449 + 35497764 = 14107^2 + 5958^2 .

It is a cyclic number.

It is not a de Polignac number, because 234505213 - 2¹⁷ = 234374141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234505253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117252606 + 117252607.

It is an arithmetic number, because the mean of its divisors is an integer number (117252607).

Almost surely, 2^234505213 is an apocalyptic number.

It is an amenable number.

234505213 is a deficient number, since it is larger than the sum of its proper divisors (1).

234505213 is an equidigital number, since it uses as much as digits as its factorization.

234505213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 234505213 is about 15313.5630406513. The cubic root of 234505213 is about 616.6671780208.

The spelling of 234505213 in words is "two hundred thirty-four million, five hundred five thousand, two hundred thirteen".