47504131 has 4 divisors (see below), whose sum is σ = 49569552. Its totient is φ = 45438712.

The previous prime is 47504111. The next prime is 47504141. The reversal of 47504131 is 13140574.

47504131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13140574 = 2 ⋅6570287.

It is a cyclic number.

It is not a de Polignac number, because 47504131 - 2⁵ = 47504099 is a prime.

It is a super-2 number, since 2×47504131² = 4513284924130322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47504096 and 47504105.

It is not an unprimeable number, because it can be changed into a prime (47504111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032676 + ... + 1032721.

It is an arithmetic number, because the mean of its divisors is an integer number (12392388).

Almost surely, 2^47504131 is an apocalyptic number.

47504131 is a deficient number, since it is larger than the sum of its proper divisors (2065421).

47504131 is a wasteful number, since it uses less digits than its factorization.

47504131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065420.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 47504131 is about 6892.3240637683. The cubic root of 47504131 is about 362.1683206324.

The spelling of 47504131 in words is "forty-seven million, five hundred four thousand, one hundred thirty-one".