21467341 has 10 divisors (see below), whose sum is σ = 25046542. Its totient is φ = 18398520.

The previous prime is 21467333. The next prime is 21467357. The reversal of 21467341 is 14376412.

It can be written as a sum of positive squares in only one way, i.e., 19448100 + 2019241 = 4410^2 + 1421^2 .

It is not a de Polignac number, because 21467341 - 2³ = 21467333 is a prime.

It is a super-2 number, since 2×21467341² = 921693459220562, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21467741) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2070 + ... + 6871.

Almost surely, 2^21467341 is an apocalyptic number.

It is an amenable number.

21467341 is a deficient number, since it is larger than the sum of its proper divisors (3579201).

21467341 is an frugal number, since it uses more digits than its factorization.

21467341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8969 (or 8948 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 21467341 is about 4633.2861988010. The cubic root of 21467341 is about 277.9240212979.

The spelling of 21467341 in words is "twenty-one million, four hundred sixty-seven thousand, three hundred forty-one".