47532013 has 8 divisors (see below), whose sum is σ = 49178232. Its totient is φ = 45904896.

The previous prime is 47531999. The next prime is 47532047. The reversal of 47532013 is 31023574.

It can be written as a sum of positive squares in 4 ways, for example, as 8631844 + 38900169 = 2938^2 + 6237^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47532013 - 2²⁵ = 13977581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47532313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381 + ... + 9757.

It is an arithmetic number, because the mean of its divisors is an integer number (6147279).

Almost surely, 2^47532013 is an apocalyptic number.

It is an amenable number.

47532013 is a deficient number, since it is larger than the sum of its proper divisors (1646219).

47532013 is a wasteful number, since it uses less digits than its factorization.

47532013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 47532013 is about 6894.3464519851. The cubic root of 47532013 is about 362.2391636091.

Adding to 47532013 its reverse (31023574), we get a palindrome (78555587).

The spelling of 47532013 in words is "forty-seven million, five hundred thirty-two thousand, thirteen".