47523513 has 8 divisors (see below), whose sum is σ = 63628576. Its totient is φ = 31550400.

The previous prime is 47523499. The next prime is 47523521. The reversal of 47523513 is 31532574.

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

It is not a de Polignac number, because 47523513 - 2⁵ = 47523481 is a prime.

It is a super-2 number, since 2×47523513² = 4516968575722338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47523523) 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, 32143 + ... + 33588.

It is an arithmetic number, because the mean of its divisors is an integer number (7953572).

Almost surely, 2^47523513 is an apocalyptic number.

It is an amenable number.

47523513 is a deficient number, since it is larger than the sum of its proper divisors (16105063).

47523513 is a wasteful number, since it uses less digits than its factorization.

47523513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65975.

The product of its digits is 12600, while the sum is 30.

The square root of 47523513 is about 6893.7299773055. The cubic root of 47523513 is about 362.2175696260.

The spelling of 47523513 in words is "forty-seven million, five hundred twenty-three thousand, five hundred thirteen".