21241014 has 16 divisors (see below), whose sum is σ = 43852800. Its totient is φ = 6851880.

The previous prime is 21241013. The next prime is 21241037. The reversal of 21241014 is 41014212.

It is a junction number, because it is equal to n+sod(n) for n = 21240984 and 21241002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21241013) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 56914 + ... + 57285.

It is an arithmetic number, because the mean of its divisors is an integer number (2740800).

Almost surely, 2^21241014 is an apocalyptic number.

21241014 is an abundant number, since it is smaller than the sum of its proper divisors (22611786).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21241014 is a wasteful number, since it uses less digits than its factorization.

21241014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114235.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 21241014 is about 4608.7974570380. The cubic root of 21241014 is about 276.9438646907.

Adding to 21241014 its reverse (41014212), we get a palindrome (62255226).

It can be divided in two parts, 212 and 41014, that multiplied together give a palindrome (8694968).

The spelling of 21241014 in words is "twenty-one million, two hundred forty-one thousand, fourteen".