214589957 has 2 divisors, whose sum is σ = 214589958. Its totient is φ = 214589956.

The previous prime is 214589939. The next prime is 214589987. The reversal of 214589957 is 759985412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133841761 + 80748196 = 11569^2 + 8986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214589957 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214589917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107294978 + 107294979.

It is an arithmetic number, because the mean of its divisors is an integer number (107294979).

Almost surely, 2^214589957 is an apocalyptic number.

It is an amenable number.

214589957 is a deficient number, since it is larger than the sum of its proper divisors (1).

214589957 is an equidigital number, since it uses as much as digits as its factorization.

214589957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 50.

The square root of 214589957 is about 14648.8892753000. The cubic root of 214589957 is about 598.6915533159.

The spelling of 214589957 in words is "two hundred fourteen million, five hundred eighty-nine thousand, nine hundred fifty-seven".