211252039 has 2 divisors, whose sum is σ = 211252040. Its totient is φ = 211252038.

The previous prime is 211252007. The next prime is 211252043. The reversal of 211252039 is 930252112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211252039 - 2⁵ = 211252007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211252439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105626019 + 105626020.

It is an arithmetic number, because the mean of its divisors is an integer number (105626020).

Almost surely, 2^211252039 is an apocalyptic number.

211252039 is a deficient number, since it is larger than the sum of its proper divisors (1).

211252039 is an equidigital number, since it uses as much as digits as its factorization.

211252039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 211252039 is about 14534.5119973118. The cubic root of 211252039 is about 595.5711287508.

The spelling of 211252039 in words is "two hundred eleven million, two hundred fifty-two thousand, thirty-nine".