214402753 has 4 divisors (see below), whose sum is σ = 220197460. Its totient is φ = 208608048.

The previous prime is 214402729. The next prime is 214402763. The reversal of 214402753 is 357204412.

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

It can be written as a sum of positive squares in 2 ways, for example, as 85988529 + 128414224 = 9273^2 + 11332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214402753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (214402703) 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 in 3 ways as a sum of consecutive naturals, for example, 2897298 + ... + 2897371.

It is an arithmetic number, because the mean of its divisors is an integer number (55049365).

Almost surely, 2^214402753 is an apocalyptic number.

It is an amenable number.

214402753 is a deficient number, since it is larger than the sum of its proper divisors (5794707).

214402753 is an equidigital number, since it uses as much as digits as its factorization.

214402753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5794706.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 214402753 is about 14642.4981816629. The cubic root of 214402753 is about 598.5174071407.

The spelling of 214402753 in words is "two hundred fourteen million, four hundred two thousand, seven hundred fifty-three".