21141753 has 8 divisors (see below), whose sum is σ = 28721088. Its totient is φ = 13828464.

The previous prime is 21141751. The next prime is 21141779. The reversal of 21141753 is 35714112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21141753 - 2¹ = 21141751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21141751) 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, 66325 + ... + 66642.

It is an arithmetic number, because the mean of its divisors is an integer number (3590136).

Almost surely, 2^21141753 is an apocalyptic number.

It is an amenable number.

21141753 is a deficient number, since it is larger than the sum of its proper divisors (7579335).

21141753 is a wasteful number, since it uses less digits than its factorization.

21141753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133023.

The product of its digits is 840, while the sum is 24.

The square root of 21141753 is about 4598.0162026683. The cubic root of 21141753 is about 276.5117971656.

Adding to 21141753 its reverse (35714112), we get a palindrome (56855865).

The spelling of 21141753 in words is "twenty-one million, one hundred forty-one thousand, seven hundred fifty-three".