21014362 has 4 divisors (see below), whose sum is σ = 31521546. Its totient is φ = 10507180.

The previous prime is 21014351. The next prime is 21014381. The reversal of 21014362 is 26341012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18826921 + 2187441 = 4339^2 + 1479^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 5253589 + ... + 5253592.

Almost surely, 2^21014362 is an apocalyptic number.

21014362 is a deficient number, since it is larger than the sum of its proper divisors (10507184).

21014362 is a wasteful number, since it uses less digits than its factorization.

21014362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10507183.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 21014362 is about 4584.1424497936. The cubic root of 21014362 is about 275.9552980183.

Adding to 21014362 its reverse (26341012), we get a palindrome (47355374).

The spelling of 21014362 in words is "twenty-one million, fourteen thousand, three hundred sixty-two".