47591351 has 2 divisors, whose sum is σ = 47591352. Its totient is φ = 47591350.

The previous prime is 47591321. The next prime is 47591399. The reversal of 47591351 is 15319574.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47591351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47591311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23795675 + 23795676.

It is an arithmetic number, because the mean of its divisors is an integer number (23795676).

Almost surely, 2^47591351 is an apocalyptic number.

47591351 is a deficient number, since it is larger than the sum of its proper divisors (1).

47591351 is an equidigital number, since it uses as much as digits as its factorization.

47591351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 35.

The square root of 47591351 is about 6898.6484908278. The cubic root of 47591351 is about 362.3898382658.

The spelling of 47591351 in words is "forty-seven million, five hundred ninety-one thousand, three hundred fifty-one".