214545533 has 4 divisors (see below), whose sum is σ = 219535008. Its totient is φ = 209556060.

The previous prime is 214545521. The next prime is 214545557. The reversal of 214545533 is 335545412.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 214545533 - 2⁶ = 214545469 is a prime.

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 214545533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214545563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2494673 + ... + 2494758.

It is an arithmetic number, because the mean of its divisors is an integer number (54883752).

Almost surely, 2^214545533 is an apocalyptic number.

It is an amenable number.

214545533 is a deficient number, since it is larger than the sum of its proper divisors (4989475).

214545533 is an equidigital number, since it uses as much as digits as its factorization.

214545533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989474.

The product of its digits is 36000, while the sum is 32.

The square root of 214545533 is about 14647.3729043812. The cubic root of 214545533 is about 598.6502371403.

The spelling of 214545533 in words is "two hundred fourteen million, five hundred forty-five thousand, five hundred thirty-three".