10531445 has 4 divisors (see below), whose sum is σ = 12637740. Its totient is φ = 8425152.

The previous prime is 10531429. The next prime is 10531457. The reversal of 10531445 is 54413501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54413501 = 857 ⋅63493.

It can be written as a sum of positive squares in 2 ways, for example, as 5410276 + 5121169 = 2326^2 + 2263^2 .

It is a cyclic number.

It is not a de Polignac number, because 10531445 - 2⁴ = 10531429 is a prime.

It is a super-2 number, since 2×10531445² = 221822667576050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10531445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1053140 + ... + 1053149.

It is an arithmetic number, because the mean of its divisors is an integer number (3159435).

Almost surely, 2^10531445 is an apocalyptic number.

It is an amenable number.

10531445 is a deficient number, since it is larger than the sum of its proper divisors (2106295).

10531445 is an equidigital number, since it uses as much as digits as its factorization.

10531445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106294.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 10531445 is about 3245.2187907751. The cubic root of 10531445 is about 219.1943327628.

Adding to 10531445 its reverse (54413501), we get a palindrome (64944946).

The spelling of 10531445 in words is "ten million, five hundred thirty-one thousand, four hundred forty-five".