47352131 has 2 divisors, whose sum is σ = 47352132. Its totient is φ = 47352130.

The previous prime is 47352121. The next prime is 47352163. The reversal of 47352131 is 13125374.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47352131 - 2²² = 43157827 is a prime.

It is a super-2 number, since 2×47352131² = 4484448620482322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47352131.

It is not a weakly prime, because it can be changed into another prime (47352121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23676065 + 23676066.

It is an arithmetic number, because the mean of its divisors is an integer number (23676066).

Almost surely, 2^47352131 is an apocalyptic number.

47352131 is a deficient number, since it is larger than the sum of its proper divisors (1).

47352131 is an equidigital number, since it uses as much as digits as its factorization.

47352131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 26.

The square root of 47352131 is about 6881.2884694656. The cubic root of 47352131 is about 361.7816286218.

The spelling of 47352131 in words is "forty-seven million, three hundred fifty-two thousand, one hundred thirty-one".