10452581 has 4 divisors (see below), whose sum is σ = 10707564. Its totient is φ = 10197600.

The previous prime is 10452577. The next prime is 10452583. The reversal of 10452581 is 18525401.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1779556 + 8673025 = 1334^2 + 2945^2 .

It is a cyclic number.

It is not a de Polignac number, because 10452581 - 2² = 10452577 is a prime.

It is a super-2 number, since 2×10452581² = 218512899123122, 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 10452581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10452583) 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, 127430 + ... + 127511.

It is an arithmetic number, because the mean of its divisors is an integer number (2676891).

Almost surely, 2^10452581 is an apocalyptic number.

It is an amenable number.

10452581 is a deficient number, since it is larger than the sum of its proper divisors (254983).

10452581 is an equidigital number, since it uses as much as digits as its factorization.

10452581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254982.

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 10452581 is about 3233.0451589794. The cubic root of 10452581 is about 218.6458207601.

Adding to 10452581 its reverse (18525401), we get a palindrome (28977982).

The spelling of 10452581 in words is "ten million, four hundred fifty-two thousand, five hundred eighty-one".