10521441 has 32 divisors (see below), whose sum is σ = 17971200. Its totient is φ = 5959440.

The previous prime is 10521439. The next prime is 10521449. The reversal of 10521441 is 14412501.

It is not a de Polignac number, because 10521441 - 2¹ = 10521439 is a prime.

It is a super-2 number, since 2×10521441² = 221401441432962, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10521449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33676 + ... + 33986.

It is an arithmetic number, because the mean of its divisors is an integer number (561600).

Almost surely, 2^10521441 is an apocalyptic number.

It is an amenable number.

10521441 is a deficient number, since it is larger than the sum of its proper divisors (7449759).

10521441 is a wasteful number, since it uses less digits than its factorization.

10521441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 10521441 is about 3243.6770801052. The cubic root of 10521441 is about 219.1249052909.

Adding to 10521441 its reverse (14412501), we get a palindrome (24933942).

The spelling of 10521441 in words is "ten million, five hundred twenty-one thousand, four hundred forty-one".