214212451 has 2 divisors, whose sum is σ = 214212452. Its totient is φ = 214212450.

The previous prime is 214212443. The next prime is 214212491. The reversal of 214212451 is 154212412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214212451 - 2³ = 214212443 is a prime.

It is not a weakly prime, because it can be changed into another prime (214212431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107106225 + 107106226.

It is an arithmetic number, because the mean of its divisors is an integer number (107106226).

Almost surely, 2^214212451 is an apocalyptic number.

214212451 is a deficient number, since it is larger than the sum of its proper divisors (1).

214212451 is an equidigital number, since it uses as much as digits as its factorization.

214212451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 640, while the sum is 22.

The square root of 214212451 is about 14635.9984626946. The cubic root of 214212451 is about 598.3402751260.

Adding to 214212451 its reverse (154212412), we get a palindrome (368424863).

The spelling of 214212451 in words is "two hundred fourteen million, two hundred twelve thousand, four hundred fifty-one".