10544421 has 16 divisors (see below), whose sum is σ = 14656320. Its totient is φ = 6737280.

The previous prime is 10544407. The next prime is 10544431. The reversal of 10544421 is 12444501.

It is a happy number.

It is not a de Polignac number, because 10544421 - 2⁶ = 10544357 is a prime.

It is a super-2 number, since 2×10544421² = 222369628450482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10544431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6531 + ... + 7983.

It is an arithmetic number, because the mean of its divisors is an integer number (916020).

Almost surely, 2^10544421 is an apocalyptic number.

It is an amenable number.

10544421 is a deficient number, since it is larger than the sum of its proper divisors (4111899).

10544421 is a wasteful number, since it uses less digits than its factorization.

10544421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 10544421 is about 3247.2174241957. The cubic root of 10544421 is about 219.2843203603.

Adding to 10544421 its reverse (12444501), we get a palindrome (22988922).

The spelling of 10544421 in words is "ten million, five hundred forty-four thousand, four hundred twenty-one".