214479851 has 2 divisors, whose sum is σ = 214479852. Its totient is φ = 214479850.

The previous prime is 214479841. The next prime is 214479869. The reversal of 214479851 is 158974412.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214479851 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 214479799 and 214479808.

It is not a weakly prime, because it can be changed into another prime (214479841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107239925 + 107239926.

It is an arithmetic number, because the mean of its divisors is an integer number (107239926).

Almost surely, 2^214479851 is an apocalyptic number.

214479851 is a deficient number, since it is larger than the sum of its proper divisors (1).

214479851 is an equidigital number, since it uses as much as digits as its factorization.

214479851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 41.

The square root of 214479851 is about 14645.1306242041. The cubic root of 214479851 is about 598.5891396852.

The spelling of 214479851 in words is "two hundred fourteen million, four hundred seventy-nine thousand, eight hundred fifty-one".