21482107 has 2 divisors, whose sum is σ = 21482108. Its totient is φ = 21482106.

The previous prime is 21482093. The next prime is 21482113. The reversal of 21482107 is 70128412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21482107 - 2¹¹ = 21480059 is a prime.

It is a super-2 number, since 2×21482107² = 922961842318898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (21482117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10741053 + 10741054.

It is an arithmetic number, because the mean of its divisors is an integer number (10741054).

Almost surely, 2^21482107 is an apocalyptic number.

21482107 is a deficient number, since it is larger than the sum of its proper divisors (1).

21482107 is an equidigital number, since it uses as much as digits as its factorization.

21482107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 21482107 is about 4634.8793943316. The cubic root of 21482107 is about 277.9877286994.

The spelling of 21482107 in words is "twenty-one million, four hundred eighty-two thousand, one hundred seven".