21454795 has 8 divisors (see below), whose sum is σ = 26293824. Its totient is φ = 16798464.

The previous prime is 21454793. The next prime is 21454801. The reversal of 21454795 is 59745412.

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 21454795 - 2¹ = 21454793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21454793) 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, 45414 + ... + 45883.

It is an arithmetic number, because the mean of its divisors is an integer number (3286728).

Almost surely, 2^21454795 is an apocalyptic number.

21454795 is a deficient number, since it is larger than the sum of its proper divisors (4839029).

21454795 is an equidigital number, since it uses as much as digits as its factorization.

21454795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91349.

The product of its digits is 50400, while the sum is 37.

The square root of 21454795 is about 4631.9321022657. The cubic root of 21454795 is about 277.8698690509.

The spelling of 21454795 in words is "twenty-one million, four hundred fifty-four thousand, seven hundred ninety-five".