21334059 has 6 divisors (see below), whose sum is σ = 30815876. Its totient is φ = 14222700.

The previous prime is 21334039. The next prime is 21334067. The reversal of 21334059 is 95043312.

It is not a de Polignac number, because 21334059 - 2²¹ = 19236907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21334039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1185217 + ... + 1185234.

Almost surely, 2^21334059 is an apocalyptic number.

21334059 is a deficient number, since it is larger than the sum of its proper divisors (9481817).

21334059 is a wasteful number, since it uses less digits than its factorization.

21334059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370457 (or 2370454 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 21334059 is about 4618.8807085700. The cubic root of 21334059 is about 277.3476543869.

The spelling of 21334059 in words is "twenty-one million, three hundred thirty-four thousand, fifty-nine".