21433095 has 24 divisors (see below), whose sum is σ = 37627200. Its totient is φ = 11284416.

The previous prime is 21433057. The next prime is 21433103. The reversal of 21433095 is 59033412.

It is not a de Polignac number, because 21433095 - 2⁷ = 21432967 is a prime.

It is a super-2 number, since 2×21433095² = 918755122558050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 541 + ... + 6569.

It is an arithmetic number, because the mean of its divisors is an integer number (1567800).

Almost surely, 2^21433095 is an apocalyptic number.

21433095 is a deficient number, since it is larger than the sum of its proper divisors (16194105).

21433095 is a wasteful number, since it uses less digits than its factorization.

21433095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6119 (or 6116 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 21433095 is about 4629.5890746372. The cubic root of 21433095 is about 277.7761555757.

The spelling of 21433095 in words is "twenty-one million, four hundred thirty-three thousand, ninety-five".