361867213 has 2 divisors, whose sum is σ = 361867214. Its totient is φ = 361867212.

The previous prime is 361867159. The next prime is 361867267. The reversal of 361867213 is 312768163.

It is a balanced prime because it is at equal distance from previous prime (361867159) and next prime (361867267).

It can be written as a sum of positive squares in only one way, i.e., 306320004 + 55547209 = 17502^2 + 7453^2 .

It is an emirp because it is prime and its reverse (312768163) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 361867213 - 2¹³ = 361859021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361867273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180933606 + 180933607.

It is an arithmetic number, because the mean of its divisors is an integer number (180933607).

Almost surely, 2^361867213 is an apocalyptic number.

It is an amenable number.

361867213 is a deficient number, since it is larger than the sum of its proper divisors (1).

361867213 is an equidigital number, since it uses as much as digits as its factorization.

361867213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 361867213 is about 19022.8077054887. The cubic root of 361867213 is about 712.6064438488.

The spelling of 361867213 in words is "three hundred sixty-one million, eight hundred sixty-seven thousand, two hundred thirteen".