47407231 has 2 divisors, whose sum is σ = 47407232. Its totient is φ = 47407230.

The previous prime is 47407219. The next prime is 47407253. The reversal of 47407231 is 13270474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47407231 - 2⁷ = 47407103 is a prime.

It is a super-2 number, since 2×47407231² = 4494891102174722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47407231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47402231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23703615 + 23703616.

It is an arithmetic number, because the mean of its divisors is an integer number (23703616).

Almost surely, 2^47407231 is an apocalyptic number.

47407231 is a deficient number, since it is larger than the sum of its proper divisors (1).

47407231 is an equidigital number, since it uses as much as digits as its factorization.

47407231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 47407231 is about 6885.2909161487. The cubic root of 47407231 is about 361.9218999631.

The spelling of 47407231 in words is "forty-seven million, four hundred seven thousand, two hundred thirty-one".