10047491 has 4 divisors (see below), whose sum is σ = 10103184. Its totient is φ = 9991800.

The previous prime is 10047473. The next prime is 10047553. The reversal of 10047491 is 19474001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19474001 = 89 ⋅218809.

It is a cyclic number.

It is not a de Polignac number, because 10047491 - 2¹⁰ = 10046467 is a prime.

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 10047491.

It is not an unprimeable number, because it can be changed into a prime (10047421) 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, 27575 + ... + 27936.

It is an arithmetic number, because the mean of its divisors is an integer number (2525796).

Almost surely, 2^10047491 is an apocalyptic number.

10047491 is a deficient number, since it is larger than the sum of its proper divisors (55693).

10047491 is an equidigital number, since it uses as much as digits as its factorization.

10047491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55692.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 10047491 is about 3169.7777524615. Note that the first 4 decimals coincide. The cubic root of 10047491 is about 215.7839847159.

The spelling of 10047491 in words is "ten million, forty-seven thousand, four hundred ninety-one".