10009451 has 4 divisors (see below), whose sum is σ = 10016400. Its totient is φ = 10002504.

The previous prime is 10009423. The next prime is 10009459. The reversal of 10009451 is 15490001.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10009451 - 2⁶ = 10009387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10009459) 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, 416 + ... + 4493.

It is an arithmetic number, because the mean of its divisors is an integer number (2504100).

Almost surely, 2^10009451 is an apocalyptic number.

10009451 is a deficient number, since it is larger than the sum of its proper divisors (6949).

10009451 is an equidigital number, since it uses as much as digits as its factorization.

10009451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 10009451 is about 3163.7716415696. The cubic root of 10009451 is about 215.5113195067.

Adding to 10009451 its reverse (15490001), we get a palindrome (25499452).

The spelling of 10009451 in words is "ten million, nine thousand, four hundred fifty-one".