214751813 has 16 divisors (see below), whose sum is σ = 231880320. Its totient is φ = 198259776.

The previous prime is 214751767. The next prime is 214751819. The reversal of 214751813 is 318157412.

214751813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 214751813 - 2¹⁸ = 214489669 is a prime.

It is a super-2 number, since 2×214751813² = 92236682373573938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 214751813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214751819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 167531 + ... + 168807.

It is an arithmetic number, because the mean of its divisors is an integer number (14492520).

Almost surely, 2^214751813 is an apocalyptic number.

It is an amenable number.

214751813 is a deficient number, since it is larger than the sum of its proper divisors (17128507).

214751813 is a wasteful number, since it uses less digits than its factorization.

214751813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516.

The product of its digits is 6720, while the sum is 32.

The square root of 214751813 is about 14654.4127483840. The cubic root of 214751813 is about 598.8420379404.

The spelling of 214751813 in words is "two hundred fourteen million, seven hundred fifty-one thousand, eight hundred thirteen".