378235213 has 2 divisors, whose sum is σ = 378235214. Its totient is φ = 378235212.

The previous prime is 378235183. The next prime is 378235229. The reversal of 378235213 is 312532873.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 377796969 + 438244 = 19437^2 + 662^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-378235213 is a prime.

It is a super-3 number, since 3×378235213³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (378233213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 189117606 + 189117607.

It is an arithmetic number, because the mean of its divisors is an integer number (189117607).

Almost surely, 2^378235213 is an apocalyptic number.

It is an amenable number.

378235213 is a deficient number, since it is larger than the sum of its proper divisors (1).

378235213 is an equidigital number, since it uses as much as digits as its factorization.

378235213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 378235213 is about 19448.2701801471. The cubic root of 378235213 is about 723.1926208525.

The spelling of 378235213 in words is "three hundred seventy-eight million, two hundred thirty-five thousand, two hundred thirteen".