529404427 has 2 divisors, whose sum is σ = 529404428. Its totient is φ = 529404426.

The previous prime is 529404401. The next prime is 529404437. The reversal of 529404427 is 724404925.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-529404427 is a prime.

It is not a weakly prime, because it can be changed into another prime (529404437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264702213 + 264702214.

It is an arithmetic number, because the mean of its divisors is an integer number (264702214).

Almost surely, 2^529404427 is an apocalyptic number.

529404427 is a deficient number, since it is larger than the sum of its proper divisors (1).

529404427 is an equidigital number, since it uses as much as digits as its factorization.

529404427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 529404427 is about 23008.7902115691. The cubic root of 529404427 is about 808.9639892030.

The spelling of 529404427 in words is "five hundred twenty-nine million, four hundred four thousand, four hundred twenty-seven".