429587897 has 2 divisors, whose sum is σ = 429587898. Its totient is φ = 429587896.

The previous prime is 429587881. The next prime is 429587941. The reversal of 429587897 is 798785924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252937216 + 176650681 = 15904^2 + 13291^2 .

It is a cyclic number.

It is not a de Polignac number, because 429587897 - 2⁴ = 429587881 is a prime.

It is a super-2 number, since 2×429587897² = 369091522497765218, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (429587827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214793948 + 214793949.

It is an arithmetic number, because the mean of its divisors is an integer number (214793949).

Almost surely, 2^429587897 is an apocalyptic number.

It is an amenable number.

429587897 is a deficient number, since it is larger than the sum of its proper divisors (1).

429587897 is an equidigital number, since it uses as much as digits as its factorization.

429587897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 59.

The square root of 429587897 is about 20726.5022857211. The cubic root of 429587897 is about 754.5430312221.

The spelling of 429587897 in words is "four hundred twenty-nine million, five hundred eighty-seven thousand, eight hundred ninety-seven".