213614733 has 4 divisors (see below), whose sum is σ = 284819648. Its totient is φ = 142409820.

The previous prime is 213614711. The next prime is 213614749. The reversal of 213614733 is 337416312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 213614733 - 2¹⁷ = 213483661 is a prime.

It is a super-2 number, since 2×213614733² = 91262508309322578, 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 213614733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213614033) 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, 35602453 + ... + 35602458.

It is an arithmetic number, because the mean of its divisors is an integer number (71204912).

Almost surely, 2^213614733 is an apocalyptic number.

It is an amenable number.

213614733 is a deficient number, since it is larger than the sum of its proper divisors (71204915).

213614733 is an equidigital number, since it uses as much as digits as its factorization.

213614733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71204914.

The product of its digits is 9072, while the sum is 30.

The square root of 213614733 is about 14615.5647513191. The cubic root of 213614733 is about 597.7832394855.

The spelling of 213614733 in words is "two hundred thirteen million, six hundred fourteen thousand, seven hundred thirty-three".