214753321 has 2 divisors, whose sum is σ = 214753322. Its totient is φ = 214753320.

The previous prime is 214753313. The next prime is 214753339. The reversal of 214753321 is 123357412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 209207296 + 5546025 = 14464^2 + 2355^2 .

It is a cyclic number.

It is not a de Polignac number, because 214753321 - 2³ = 214753313 is a prime.

It is a super-2 number, since 2×214753321² = 92237977761058082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 214753321.

It is not a weakly prime, because it can be changed into another prime (214753361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107376660 + 107376661.

It is an arithmetic number, because the mean of its divisors is an integer number (107376661).

Almost surely, 2^214753321 is an apocalyptic number.

It is an amenable number.

214753321 is a deficient number, since it is larger than the sum of its proper divisors (1).

214753321 is an equidigital number, since it uses as much as digits as its factorization.

214753321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5040, while the sum is 28.

The square root of 214753321 is about 14654.4642003725. The cubic root of 214753321 is about 598.8434396386.

The spelling of 214753321 in words is "two hundred fourteen million, seven hundred fifty-three thousand, three hundred twenty-one".