1428502529 has 2 divisors, whose sum is σ = 1428502530. Its totient is φ = 1428502528.

The previous prime is 1428502507. The next prime is 1428502531. The reversal of 1428502529 is 9252058241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1424911504 + 3591025 = 37748^2 + 1895^2 .

It is a cyclic number.

It is not a de Polignac number, because 1428502529 - 2¹² = 1428498433 is a prime.

Together with 1428502531, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1428502492 and 1428502501.

It is not a weakly prime, because it can be changed into another prime (1428502589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714251264 + 714251265.

It is an arithmetic number, because the mean of its divisors is an integer number (714251265).

Almost surely, 2^1428502529 is an apocalyptic number.

It is an amenable number.

1428502529 is a deficient number, since it is larger than the sum of its proper divisors (1).

1428502529 is an equidigital number, since it uses as much as digits as its factorization.

1428502529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 1428502529 is about 37795.5358342755. The cubic root of 1428502529 is about 1126.2297739534.

The spelling of 1428502529 in words is "one billion, four hundred twenty-eight million, five hundred two thousand, five hundred twenty-nine".