402030529 has 2 divisors, whose sum is σ = 402030530. Its totient is φ = 402030528.

The previous prime is 402030523. The next prime is 402030571. The reversal of 402030529 is 925030204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 325730304 + 76300225 = 18048^2 + 8735^2 .

It is a cyclic number.

It is not a de Polignac number, because 402030529 - 2⁷ = 402030401 is a prime.

It is not a weakly prime, because it can be changed into another prime (402030523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201015264 + 201015265.

It is an arithmetic number, because the mean of its divisors is an integer number (201015265).

Almost surely, 2^402030529 is an apocalyptic number.

It is an amenable number.

402030529 is a deficient number, since it is larger than the sum of its proper divisors (1).

402030529 is an equidigital number, since it uses as much as digits as its factorization.

402030529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 402030529 is about 20050.6989653728. The cubic root of 402030529 is about 738.0509514791.

The spelling of 402030529 in words is "four hundred two million, thirty thousand, five hundred twenty-nine".