214665461 has 2 divisors, whose sum is σ = 214665462. Its totient is φ = 214665460.

The previous prime is 214665431. The next prime is 214665467. The reversal of 214665461 is 164566412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212722225 + 1943236 = 14585^2 + 1394^2 .

It is a cyclic number.

It is not a de Polignac number, because 214665461 - 2⁶ = 214665397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214665467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107332730 + 107332731.

It is an arithmetic number, because the mean of its divisors is an integer number (107332731).

Almost surely, 2^214665461 is an apocalyptic number.

It is an amenable number.

214665461 is a deficient number, since it is larger than the sum of its proper divisors (1).

214665461 is an equidigital number, since it uses as much as digits as its factorization.

214665461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 214665461 is about 14651.4661723665. The cubic root of 214665461 is about 598.7617621102.

The spelling of 214665461 in words is "two hundred fourteen million, six hundred sixty-five thousand, four hundred sixty-one".