10045491 has 4 divisors (see below), whose sum is σ = 13393992. Its totient is φ = 6696992.

The previous prime is 10045489. The next prime is 10045493. The reversal of 10045491 is 19454001.

10045491 is nontrivially palindromic in base 12.

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

It is an interprime number because it is at equal distance from previous prime (10045489) and next prime (10045493).

It is a cyclic number.

It is not a de Polignac number, because 10045491 - 2¹ = 10045489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10045493) 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, 1674246 + ... + 1674251.

It is an arithmetic number, because the mean of its divisors is an integer number (3348498).

Almost surely, 2^10045491 is an apocalyptic number.

10045491 is a deficient number, since it is larger than the sum of its proper divisors (3348501).

10045491 is an equidigital number, since it uses as much as digits as its factorization.

10045491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348500.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10045491 is about 3169.4622572291. The cubic root of 10045491 is about 215.7696661625.

Adding to 10045491 its reverse (19454001), we get a palindrome (29499492).

The spelling of 10045491 in words is "ten million, forty-five thousand, four hundred ninety-one".