47636231 has 2 divisors, whose sum is σ = 47636232. Its totient is φ = 47636230.

The previous prime is 47636221. The next prime is 47636257. The reversal of 47636231 is 13263674.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47636231 is a prime.

It is a super-2 number, since 2×47636231² = 4538421007770722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47636201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23818115 + 23818116.

It is an arithmetic number, because the mean of its divisors is an integer number (23818116).

Almost surely, 2^47636231 is an apocalyptic number.

47636231 is a deficient number, since it is larger than the sum of its proper divisors (1).

47636231 is an equidigital number, since it uses as much as digits as its factorization.

47636231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The square root of 47636231 is about 6901.9005353598. The cubic root of 47636231 is about 362.5037171240.

The spelling of 47636231 in words is "forty-seven million, six hundred thirty-six thousand, two hundred thirty-one".