47536231 has 4 divisors (see below), whose sum is σ = 48821032. Its totient is φ = 46251432.

The previous prime is 47536171. The next prime is 47536253. The reversal of 47536231 is 13263574.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47536231 is a prime.

It is a super-2 number, since 2×47536231² = 4519386515370722, 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 = 47536193 and 47536202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47536631) 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, 642345 + ... + 642418.

It is an arithmetic number, because the mean of its divisors is an integer number (12205258).

Almost surely, 2^47536231 is an apocalyptic number.

47536231 is a deficient number, since it is larger than the sum of its proper divisors (1284801).

47536231 is a wasteful number, since it uses less digits than its factorization.

47536231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284800.

The product of its digits is 15120, while the sum is 31.

The square root of 47536231 is about 6894.6523480158. The cubic root of 47536231 is about 362.2498783499.

The spelling of 47536231 in words is "forty-seven million, five hundred thirty-six thousand, two hundred thirty-one".