21341067 has 32 divisors (see below), whose sum is σ = 32175360. Its totient is φ = 12472320.

The previous prime is 21341063. The next prime is 21341077. The reversal of 21341067 is 76014312.

It is not a de Polignac number, because 21341067 - 2² = 21341063 is a prime.

It is a super-2 number, since 2×21341067² = 910882281396978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21341063) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188803 + ... + 188915.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^21341067 is an apocalyptic number.

21341067 is a deficient number, since it is larger than the sum of its proper divisors (10834293).

21341067 is a wasteful number, since it uses less digits than its factorization.

21341067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 21341067 is about 4619.6392716315. The cubic root of 21341067 is about 277.3780195974.

Adding to 21341067 its reverse (76014312), we get a palindrome (97355379).

The spelling of 21341067 in words is "twenty-one million, three hundred forty-one thousand, sixty-seven".