10305047 has 4 divisors (see below), whose sum is σ = 10405200. Its totient is φ = 10204896.

The previous prime is 10305017. The next prime is 10305059. The reversal of 10305047 is 74050301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74050301 = 13 ⋅5696177.

It is a cyclic number.

It is not a de Polignac number, because 10305047 - 2¹⁶ = 10239511 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10305007) 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, 49922 + ... + 50127.

It is an arithmetic number, because the mean of its divisors is an integer number (2601300).

Almost surely, 2^10305047 is an apocalyptic number.

10305047 is a deficient number, since it is larger than the sum of its proper divisors (100153).

10305047 is a wasteful number, since it uses less digits than its factorization.

10305047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100152.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 10305047 is about 3210.1475043991. The cubic root of 10305047 is about 217.6122431184.

Adding to 10305047 its reverse (74050301), we get a palindrome (84355348).

The spelling of 10305047 in words is "ten million, three hundred five thousand, forty-seven".