21035795 has 16 divisors (see below), whose sum is σ = 28284768. Its totient is φ = 14883840.

The previous prime is 21035779. The next prime is 21035797. The reversal of 21035795 is 59753012.

It is not a de Polignac number, because 21035795 - 2⁴ = 21035779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21035797) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3134 + ... + 7203.

It is an arithmetic number, because the mean of its divisors is an integer number (1767798).

Almost surely, 2^21035795 is an apocalyptic number.

21035795 is a deficient number, since it is larger than the sum of its proper divisors (7248973).

21035795 is a wasteful number, since it uses less digits than its factorization.

21035795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10390.

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 21035795 is about 4586.4795867855. The cubic root of 21035795 is about 276.0490837230.

The spelling of 21035795 in words is "twenty-one million, thirty-five thousand, seven hundred ninety-five".