10531493 has 8 divisors (see below), whose sum is σ = 12559488. Its totient is φ = 8634384.

The previous prime is 10531457. The next prime is 10531513. The reversal of 10531493 is 39413501.

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

It is not a de Polignac number, because 10531493 - 2⁶ = 10531429 is a prime.

It is a super-2 number, since 2×10531493² = 221824689618098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10531093) 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, 32546 + ... + 32867.

It is an arithmetic number, because the mean of its divisors is an integer number (1569936).

Almost surely, 2^10531493 is an apocalyptic number.

It is an amenable number.

10531493 is a deficient number, since it is larger than the sum of its proper divisors (2027995).

10531493 is an equidigital number, since it uses as much as digits as its factorization.

10531493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65443.

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

The square root of 10531493 is about 3245.2261862619. The cubic root of 10531493 is about 219.1946657754.

Adding to 10531493 its reverse (39413501), we get a palindrome (49944994).

The spelling of 10531493 in words is "ten million, five hundred thirty-one thousand, four hundred ninety-three".