214852621 has 2 divisors, whose sum is σ = 214852622. Its totient is φ = 214852620.

The previous prime is 214852607. The next prime is 214852643. The reversal of 214852621 is 126258412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119028100 + 95824521 = 10910^2 + 9789^2 .

It is a cyclic number.

It is not a de Polignac number, because 214852621 - 2⁹ = 214852109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214852601) 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, 107426310 + 107426311.

It is an arithmetic number, because the mean of its divisors is an integer number (107426311).

Almost surely, 2^214852621 is an apocalyptic number.

It is an amenable number.

214852621 is a deficient number, since it is larger than the sum of its proper divisors (1).

214852621 is an equidigital number, since it uses as much as digits as its factorization.

214852621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7680, while the sum is 31.

The square root of 214852621 is about 14657.8518548933. The cubic root of 214852621 is about 598.9357253523.

The spelling of 214852621 in words is "two hundred fourteen million, eight hundred fifty-two thousand, six hundred twenty-one".