47305429 has 2 divisors, whose sum is σ = 47305430. Its totient is φ = 47305428.

The previous prime is 47305403. The next prime is 47305463. The reversal of 47305429 is 92450374.

It is an a-pointer prime, because the next prime (47305463) can be obtained adding 47305429 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44422225 + 2883204 = 6665^2 + 1698^2 .

It is a cyclic number.

It is not a de Polignac number, because 47305429 - 2⁵ = 47305397 is a prime.

It is a super-2 number, since 2×47305429² = 4475607225748082, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47305394 and 47305403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47302429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23652714 + 23652715.

It is an arithmetic number, because the mean of its divisors is an integer number (23652715).

Almost surely, 2^47305429 is an apocalyptic number.

It is an amenable number.

47305429 is a deficient number, since it is larger than the sum of its proper divisors (1).

47305429 is an equidigital number, since it uses as much as digits as its factorization.

47305429 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 47305429 is about 6877.8942271599. The cubic root of 47305429 is about 361.6626513413.

The spelling of 47305429 in words is "forty-seven million, three hundred five thousand, four hundred twenty-nine".