10531442 has 4 divisors (see below), whose sum is σ = 15797166. Its totient is φ = 5265720.

The previous prime is 10531429. The next prime is 10531457. The reversal of 10531442 is 24413501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9431041 + 1100401 = 3071^2 + 1049^2 .

It is a super-2 number, since 2×10531442² = 221822541198728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2632859 + ... + 2632862.

Almost surely, 2^10531442 is an apocalyptic number.

10531442 is a deficient number, since it is larger than the sum of its proper divisors (5265724).

10531442 is an equidigital number, since it uses as much as digits as its factorization.

10531442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5265723.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 10531442 is about 3245.2183285566. The cubic root of 10531442 is about 219.1943119495.

Adding to 10531442 its reverse (24413501), we get a palindrome (34944943).

The spelling of 10531442 in words is "ten million, five hundred thirty-one thousand, four hundred forty-two".