21314262 has 16 divisors (see below), whose sum is σ = 42674112. Its totient is φ = 7097160.

The previous prime is 21314233. The next prime is 21314269. The reversal of 21314262 is 26241312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21314269) 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, 8937 + ... + 11067.

It is an arithmetic number, because the mean of its divisors is an integer number (2667132).

Almost surely, 2^21314262 is an apocalyptic number.

21314262 is an abundant number, since it is smaller than the sum of its proper divisors (21359850).

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

21314262 is a wasteful number, since it uses less digits than its factorization.

21314262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3803.

The product of its digits is 576, while the sum is 21.

The square root of 21314262 is about 4616.7371595099. The cubic root of 21314262 is about 277.2618393255.

Adding to 21314262 its reverse (26241312), we get a palindrome (47555574).

The spelling of 21314262 in words is "twenty-one million, three hundred fourteen thousand, two hundred sixty-two".