47430529 has 2 divisors, whose sum is σ = 47430530. Its totient is φ = 47430528.

The previous prime is 47430521. The next prime is 47430533. The reversal of 47430529 is 92503474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27583504 + 19847025 = 5252^2 + 4455^2 .

It is a cyclic number.

It is not a de Polignac number, because 47430529 - 2³ = 47430521 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 47430494 and 47430503.

It is not a weakly prime, because it can be changed into another prime (47430521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23715264 + 23715265.

It is an arithmetic number, because the mean of its divisors is an integer number (23715265).

Almost surely, 2^47430529 is an apocalyptic number.

It is an amenable number.

47430529 is a deficient number, since it is larger than the sum of its proper divisors (1).

47430529 is an equidigital number, since it uses as much as digits as its factorization.

47430529 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 47430529 is about 6886.9825758455. The cubic root of 47430529 is about 361.9811783708.

The spelling of 47430529 in words is "forty-seven million, four hundred thirty thousand, five hundred twenty-nine".