47252291 has 2 divisors, whose sum is σ = 47252292. Its totient is φ = 47252290.

The previous prime is 47252287. The next prime is 47252347. The reversal of 47252291 is 19225274.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47252291 - 2² = 47252287 is a prime.

It is not a weakly prime, because it can be changed into another prime (47252201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23626145 + 23626146.

It is an arithmetic number, because the mean of its divisors is an integer number (23626146).

Almost surely, 2^47252291 is an apocalyptic number.

47252291 is a deficient number, since it is larger than the sum of its proper divisors (1).

47252291 is an equidigital number, since it uses as much as digits as its factorization.

47252291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 47252291 is about 6874.0301861426. The cubic root of 47252291 is about 361.5271825328.

The spelling of 47252291 in words is "forty-seven million, two hundred fifty-two thousand, two hundred ninety-one".