21460741 has 8 divisors (see below), whose sum is σ = 22033440. Its totient is φ = 20891472.

The previous prime is 21460727. The next prime is 21460787. The reversal of 21460741 is 14706412.

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

It is a cyclic number.

It is not a de Polignac number, because 21460741 - 2¹³ = 21452549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21460141) 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, 16086 + ... + 17368.

It is an arithmetic number, because the mean of its divisors is an integer number (2754180).

Almost surely, 2^21460741 is an apocalyptic number.

It is an amenable number.

21460741 is a deficient number, since it is larger than the sum of its proper divisors (572699).

21460741 is a wasteful number, since it uses less digits than its factorization.

21460741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 21460741 is about 4632.5739065880. The cubic root of 21460741 is about 277.8955363766.

It can be divided in two parts, 21460 and 741, that added together give a square (22201 = 149²).

The spelling of 21460741 in words is "twenty-one million, four hundred sixty thousand, seven hundred forty-one".