21083195 has 8 divisors (see below), whose sum is σ = 28914144. Its totient is φ = 14457024.

The previous prime is 21083191. The next prime is 21083197. The reversal of 21083195 is 59138012.

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 21083195 - 2² = 21083191 is a prime.

It is a super-2 number, since 2×21083195² = 889002222816050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21083191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301154 + ... + 301223.

It is an arithmetic number, because the mean of its divisors is an integer number (3614268).

Almost surely, 2^21083195 is an apocalyptic number.

21083195 is a deficient number, since it is larger than the sum of its proper divisors (7830949).

21083195 is an equidigital number, since it uses as much as digits as its factorization.

21083195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602389.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 21083195 is about 4591.6440410816. The cubic root of 21083195 is about 276.2562688394.

The spelling of 21083195 in words is "twenty-one million, eighty-three thousand, one hundred ninety-five".