47242751 has 2 divisors, whose sum is σ = 47242752. Its totient is φ = 47242750.

The previous prime is 47242709. The next prime is 47242757. The reversal of 47242751 is 15724274.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47242751 - 2¹⁴ = 47226367 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47242757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23621375 + 23621376.

It is an arithmetic number, because the mean of its divisors is an integer number (23621376).

Almost surely, 2^47242751 is an apocalyptic number.

47242751 is a deficient number, since it is larger than the sum of its proper divisors (1).

47242751 is an equidigital number, since it uses as much as digits as its factorization.

47242751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15680, while the sum is 32.

The square root of 47242751 is about 6873.3362350463. The cubic root of 47242751 is about 361.5028507217.

The spelling of 47242751 in words is "forty-seven million, two hundred forty-two thousand, seven hundred fifty-one".