21050627 has 8 divisors (see below), whose sum is σ = 22767360. Its totient is φ = 19347840.

The previous prime is 21050611. The next prime is 21050629. The reversal of 21050627 is 72605012.

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 21050627 - 2⁴ = 21050611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21050629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (2845920).

Almost surely, 2^21050627 is an apocalyptic number.

21050627 is a deficient number, since it is larger than the sum of its proper divisors (1716733).

21050627 is a wasteful number, since it uses less digits than its factorization.

21050627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6973.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 21050627 is about 4588.0962282847. The cubic root of 21050627 is about 276.1139477337.

Adding to 21050627 its reverse (72605012), we get a palindrome (93655639).

The spelling of 21050627 in words is "twenty-one million, fifty thousand, six hundred twenty-seven".