21314841 has 8 divisors (see below), whose sum is σ = 28680960. Its totient is φ = 14079312.

The previous prime is 21314837. The next prime is 21314857. The reversal of 21314841 is 14841312.

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

It is not a de Polignac number, because 21314841 - 2² = 21314837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21314831) 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, 32265 + ... + 32918.

It is an arithmetic number, because the mean of its divisors is an integer number (3585120).

Almost surely, 2^21314841 is an apocalyptic number.

It is an amenable number.

21314841 is a deficient number, since it is larger than the sum of its proper divisors (7366119).

21314841 is a wasteful number, since it uses less digits than its factorization.

21314841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65295.

The product of its digits is 768, while the sum is 24.

The square root of 21314841 is about 4616.7998657078. The cubic root of 21314841 is about 277.2643499004.

It can be divided in two parts, 21314 and 841, that added together give a triangular number (22155 = T₂₁₀).

The spelling of 21314841 in words is "twenty-one million, three hundred fourteen thousand, eight hundred forty-one".