21132035 has 8 divisors (see below), whose sum is σ = 25383120. Its totient is φ = 16889184.

The previous prime is 21132011. The next prime is 21132061. The reversal of 21132035 is 53023112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21132035 - 2¹⁴ = 21115651 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9104 + ... + 11186.

It is an arithmetic number, because the mean of its divisors is an integer number (3172890).

Almost surely, 2^21132035 is an apocalyptic number.

21132035 is a deficient number, since it is larger than the sum of its proper divisors (4251085).

21132035 is a wasteful number, since it uses less digits than its factorization.

21132035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 21132035 is about 4596.9593211165. The cubic root of 21132035 is about 276.4694236142.

Adding to 21132035 its reverse (53023112), we get a palindrome (74155147).

The spelling of 21132035 in words is "twenty-one million, one hundred thirty-two thousand, thirty-five".