214305461 has 2 divisors, whose sum is σ = 214305462. Its totient is φ = 214305460.

The previous prime is 214305457. The next prime is 214305491. The reversal of 214305461 is 164503412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213335236 + 970225 = 14606^2 + 985^2 .

It is a cyclic number.

It is not a de Polignac number, because 214305461 - 2² = 214305457 is a prime.

It is a super-2 number, since 2×214305461² = 91853661228845042, 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 214305461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214305491) 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, 107152730 + 107152731.

It is an arithmetic number, because the mean of its divisors is an integer number (107152731).

Almost surely, 2^214305461 is an apocalyptic number.

It is an amenable number.

214305461 is a deficient number, since it is larger than the sum of its proper divisors (1).

214305461 is an equidigital number, since it uses as much as digits as its factorization.

214305461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 214305461 is about 14639.1755573871. The cubic root of 214305461 is about 598.4268614038.

Adding to 214305461 its reverse (164503412), we get a palindrome (378808873).

The spelling of 214305461 in words is "two hundred fourteen million, three hundred five thousand, four hundred sixty-one".