10045731 has 4 divisors (see below), whose sum is σ = 13394312. Its totient is φ = 6697152.

The previous prime is 10045727. The next prime is 10045741. The reversal of 10045731 is 13754001.

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

It is not a de Polignac number, because 10045731 - 2² = 10045727 is a prime.

It is a super-2 number, since 2×10045731² = 201833422648722, which contains 22 as substring.

It is the 3170-th Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10045698 and 10045707.

It is not an unprimeable number, because it can be changed into a prime (10045741) by changing a digit.

It is a nontrivial repunit in base 3169.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1674286 + ... + 1674291.

It is an arithmetic number, because the mean of its divisors is an integer number (3348578).

Almost surely, 2^10045731 is an apocalyptic number.

10045731 is a deficient number, since it is larger than the sum of its proper divisors (3348581).

10045731 is an equidigital number, since it uses as much as digits as its factorization.

10045731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348580.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 10045731 is about 3169.5001183152. The cubic root of 10045731 is about 215.7713844893.

Adding to 10045731 its reverse (13754001), we get a palindrome (23799732).

The spelling of 10045731 in words is "ten million, forty-five thousand, seven hundred thirty-one".