21035014 has 96 divisors (see below), whose sum is σ = 45964800. Its totient is φ = 7076160.

The previous prime is 21034999. The next prime is 21035029. The reversal of 21035014 is 41053012.

It is an interprime number because it is at equal distance from previous prime (21034999) and next prime (21035029).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 266227 + ... + 266305.

It is an arithmetic number, because the mean of its divisors is an integer number (478800).

Almost surely, 2^21035014 is an apocalyptic number.

21035014 is an abundant number, since it is smaller than the sum of its proper divisors (24929786).

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

21035014 is a wasteful number, since it uses less digits than its factorization.

21035014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 21035014 is about 4586.3944444411. The cubic root of 21035014 is about 276.0456673716.

Adding to 21035014 its reverse (41053012), we get a palindrome (62088026).

It can be divided in two parts, 2103 and 5014, that added together give a palindrome (7117).

The spelling of 21035014 in words is "twenty-one million, thirty-five thousand, fourteen".