10533491 has 4 divisors (see below), whose sum is σ = 10539984. Its totient is φ = 10527000.

The previous prime is 10533487. The next prime is 10533527. The reversal of 10533491 is 19433501.

10533491 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19433501 = 109 ⋅178289.

It is a cyclic number.

It is not a de Polignac number, because 10533491 - 2² = 10533487 is a prime.

It is a super-2 number, since 2×10533491² = 221908865294162, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10533491.

It is not an unprimeable number, because it can be changed into a prime (10533431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541 + ... + 4841.

It is an arithmetic number, because the mean of its divisors is an integer number (2634996).

Almost surely, 2^10533491 is an apocalyptic number.

10533491 is a deficient number, since it is larger than the sum of its proper divisors (6493).

10533491 is an equidigital number, since it uses as much as digits as its factorization.

10533491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 10533491 is about 3245.5340084491. The cubic root of 10533491 is about 219.2085265278.

Adding to 10533491 its reverse (19433501), we get a palindrome (29966992).

The spelling of 10533491 in words is "ten million, five hundred thirty-three thousand, four hundred ninety-one".