47251943 has 2 divisors, whose sum is σ = 47251944. Its totient is φ = 47251942.

The previous prime is 47251937. The next prime is 47251987. The reversal of 47251943 is 34915274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47251943 - 2⁴ = 47251927 is a prime.

It is a super-2 number, since 2×47251943² = 4465492234550498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47251343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23625971 + 23625972.

It is an arithmetic number, because the mean of its divisors is an integer number (23625972).

Almost surely, 2^47251943 is an apocalyptic number.

47251943 is a deficient number, since it is larger than the sum of its proper divisors (1).

47251943 is an equidigital number, since it uses as much as digits as its factorization.

47251943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 47251943 is about 6874.0048734344. The cubic root of 47251943 is about 361.5262950149.

The spelling of 47251943 in words is "forty-seven million, two hundred fifty-one thousand, nine hundred forty-three".