47352091 has 2 divisors, whose sum is σ = 47352092. Its totient is φ = 47352090.

The previous prime is 47352083. The next prime is 47352103. The reversal of 47352091 is 19025374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47352091 - 2³ = 47352083 is a prime.

It is not a weakly prime, because it can be changed into another prime (47352001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23676045 + 23676046.

It is an arithmetic number, because the mean of its divisors is an integer number (23676046).

Almost surely, 2^47352091 is an apocalyptic number.

47352091 is a deficient number, since it is larger than the sum of its proper divisors (1).

47352091 is an equidigital number, since it uses as much as digits as its factorization.

47352091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 47352091 is about 6881.2855630325. The cubic root of 47352091 is about 361.7815267519.

The spelling of 47352091 in words is "forty-seven million, three hundred fifty-two thousand, ninety-one".