47003313 has 16 divisors (see below), whose sum is σ = 72607616. Its totient is φ = 26490240.

The previous prime is 47003293. The next prime is 47003339. The reversal of 47003313 is 31330074.

It is not a de Polignac number, because 47003313 - 2⁹ = 47002801 is a prime.

It is a super-2 number, since 2×47003313² = 4418622865951938, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 47003313.

It is not an unprimeable number, because it can be changed into a prime (47003393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13798 + ... + 16863.

It is an arithmetic number, because the mean of its divisors is an integer number (4537976).

Almost surely, 2^47003313 is an apocalyptic number.

It is an amenable number.

47003313 is a deficient number, since it is larger than the sum of its proper divisors (25604303).

47003313 is a wasteful number, since it uses less digits than its factorization.

47003313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30744.

The product of its (nonzero) digits is 756, while the sum is 21.

The square root of 47003313 is about 6855.8962215016. The cubic root of 47003313 is about 360.8910872762.

Adding to 47003313 its reverse (31330074), we get a palindrome (78333387).

The spelling of 47003313 in words is "forty-seven million, three thousand, three hundred thirteen".