214552739 has 2 divisors, whose sum is σ = 214552740. Its totient is φ = 214552738.

The previous prime is 214552711. The next prime is 214552747. The reversal of 214552739 is 937255412.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214552739 is a prime.

It is not a weakly prime, because it can be changed into another prime (214552939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107276369 + 107276370.

It is an arithmetic number, because the mean of its divisors is an integer number (107276370).

Almost surely, 2^214552739 is an apocalyptic number.

214552739 is a deficient number, since it is larger than the sum of its proper divisors (1).

214552739 is an equidigital number, since it uses as much as digits as its factorization.

214552739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 38.

The square root of 214552739 is about 14647.6188849929. The cubic root of 214552739 is about 598.6569394088.

The spelling of 214552739 in words is "two hundred fourteen million, five hundred fifty-two thousand, seven hundred thirty-nine".