214637051 has 4 divisors (see below), whose sum is σ = 215412192. Its totient is φ = 213861912.

The previous prime is 214637029. The next prime is 214637069. The reversal of 214637051 is 150736412.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 214637051 - 2²² = 210442747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214637011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387155 + ... + 387708.

It is an arithmetic number, because the mean of its divisors is an integer number (53853048).

Almost surely, 2^214637051 is an apocalyptic number.

214637051 is a deficient number, since it is larger than the sum of its proper divisors (775141).

214637051 is an equidigital number, since it uses as much as digits as its factorization.

214637051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775140.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 214637051 is about 14650.4966127432. The cubic root of 214637051 is about 598.7353464771.

The spelling of 214637051 in words is "two hundred fourteen million, six hundred thirty-seven thousand, fifty-one".