21652119 has 6 divisors (see below), whose sum is σ = 31275296. Its totient is φ = 14434740.

The previous prime is 21652063. The next prime is 21652121. The reversal of 21652119 is 91125612.

21652119 is a `hidden beast` number, since 2 + 1 + 652 + 1 + 1 + 9 = 666.

It is not a de Polignac number, because 21652119 - 2⁹ = 21651607 is a prime.

It is a super-2 number, since 2×21652119² = 937628514380322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21652092 and 21652101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21652159) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1202887 + ... + 1202904.

Almost surely, 2^21652119 is an apocalyptic number.

21652119 is a deficient number, since it is larger than the sum of its proper divisors (9623177).

21652119 is a wasteful number, since it uses less digits than its factorization.

21652119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405797 (or 2405794 counting only the distinct ones).

The product of its digits is 1080, while the sum is 27.

The square root of 21652119 is about 4653.1837487896. The cubic root of 21652119 is about 278.7191454383.

The spelling of 21652119 in words is "twenty-one million, six hundred fifty-two thousand, one hundred nineteen".