47253231 has 6 divisors (see below), whose sum is σ = 68254680. Its totient is φ = 31502148.

The previous prime is 47253203. The next prime is 47253257. The reversal of 47253231 is 13235274.

It is not a de Polignac number, because 47253231 - 2¹⁹ = 46728943 is a prime.

It is a super-2 number, since 2×47253231² = 4465735679878722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47253195 and 47253204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47254231) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2625171 + ... + 2625188.

It is an arithmetic number, because the mean of its divisors is an integer number (11375780).

Almost surely, 2^47253231 is an apocalyptic number.

47253231 is a deficient number, since it is larger than the sum of its proper divisors (21001449).

47253231 is a wasteful number, since it uses less digits than its factorization.

47253231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250365 (or 5250362 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 47253231 is about 6874.0985590839. The cubic root of 47253231 is about 361.5295798296.

The spelling of 47253231 in words is "forty-seven million, two hundred fifty-three thousand, two hundred thirty-one".