528429427 has 2 divisors, whose sum is σ = 528429428. Its totient is φ = 528429426.

The previous prime is 528429359. The next prime is 528429481. The reversal of 528429427 is 724924825.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-528429427 is a prime.

It is not a weakly prime, because it can be changed into another prime (528429487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264214713 + 264214714.

It is an arithmetic number, because the mean of its divisors is an integer number (264214714).

Almost surely, 2^528429427 is an apocalyptic number.

528429427 is a deficient number, since it is larger than the sum of its proper divisors (1).

528429427 is an equidigital number, since it uses as much as digits as its factorization.

528429427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 322560, while the sum is 43.

The square root of 528429427 is about 22987.5928926889. The cubic root of 528429427 is about 808.4670631287.

The spelling of 528429427 in words is "five hundred twenty-eight million, four hundred twenty-nine thousand, four hundred twenty-seven".