2152414021 has 8 divisors (see below), whose sum is σ = 2199323520. Its totient is φ = 2105551008.

The previous prime is 2152414009. The next prime is 2152414057. The reversal of 2152414021 is 1204142512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2152414021 - 2⁹ = 2152413509 is a prime.

It is a super-2 number, since 2×2152414021² = 9265772235594776882, 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 = 2152413983 and 2152414001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2152414001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91905 + ... + 112921.

It is an arithmetic number, because the mean of its divisors is an integer number (274915440).

Almost surely, 2^2152414021 is an apocalyptic number.

It is an amenable number.

2152414021 is a deficient number, since it is larger than the sum of its proper divisors (46909499).

2152414021 is a wasteful number, since it uses less digits than its factorization.

2152414021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23243.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 2152414021 is about 46394.1162325569. The cubic root of 2152414021 is about 1291.1457522905.

Adding to 2152414021 its reverse (1204142512), we get a palindrome (3356556533).

The spelling of 2152414021 in words is "two billion, one hundred fifty-two million, four hundred fourteen thousand, twenty-one".