47425129 has 2 divisors, whose sum is σ = 47425130. Its totient is φ = 47425128.

The previous prime is 47425127. The next prime is 47425139. The reversal of 47425129 is 92152474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47403225 + 21904 = 6885^2 + 148^2 .

It is a cyclic number.

It is not a de Polignac number, because 47425129 - 2¹ = 47425127 is a prime.

Together with 47425127, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 47425094 and 47425103.

It is not a weakly prime, because it can be changed into another prime (47425127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23712564 + 23712565.

It is an arithmetic number, because the mean of its divisors is an integer number (23712565).

Almost surely, 2^47425129 is an apocalyptic number.

It is an amenable number.

47425129 is a deficient number, since it is larger than the sum of its proper divisors (1).

47425129 is an equidigital number, since it uses as much as digits as its factorization.

47425129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 34.

The square root of 47425129 is about 6886.5905207149. The cubic root of 47425129 is about 361.9674405766.

The spelling of 47425129 in words is "forty-seven million, four hundred twenty-five thousand, one hundred twenty-nine".