429165397 has 2 divisors, whose sum is σ = 429165398. Its totient is φ = 429165396.

The previous prime is 429165377. The next prime is 429165437. The reversal of 429165397 is 793561924.

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., 304642116 + 124523281 = 17454^2 + 11159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-429165397 is a prime.

It is a nialpdrome in base 12.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (429165377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214582698 + 214582699.

It is an arithmetic number, because the mean of its divisors is an integer number (214582699).

Almost surely, 2^429165397 is an apocalyptic number.

It is an amenable number.

429165397 is a deficient number, since it is larger than the sum of its proper divisors (1).

429165397 is an equidigital number, since it uses as much as digits as its factorization.

429165397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 408240, while the sum is 46.

The square root of 429165397 is about 20716.3075136473. The cubic root of 429165397 is about 754.2955855487.

The spelling of 429165397 in words is "four hundred twenty-nine million, one hundred sixty-five thousand, three hundred ninety-seven".