213950039 has 2 divisors, whose sum is σ = 213950040. Its totient is φ = 213950038.

The previous prime is 213949949. The next prime is 213950053. The reversal of 213950039 is 930059312.

213950039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213950039 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213949987 and 213950014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213950059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106975019 + 106975020.

It is an arithmetic number, because the mean of its divisors is an integer number (106975020).

Almost surely, 2^213950039 is an apocalyptic number.

213950039 is a deficient number, since it is larger than the sum of its proper divisors (1).

213950039 is an equidigital number, since it uses as much as digits as its factorization.

213950039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 213950039 is about 14627.0311068241. The cubic root of 213950039 is about 598.0958513857.

The spelling of 213950039 in words is "two hundred thirteen million, nine hundred fifty thousand, thirty-nine".