432429257 has 6 divisors (see below), whose sum is σ = 468251982. Its totient is φ = 399165312.

The previous prime is 432429251. The next prime is 432429287. The reversal of 432429257 is 752924234.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21799561 + 410629696 = 4669^2 + 20264^2 .

It is not a de Polignac number, because 432429257 - 2⁴ = 432429241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 432429257.

It is not an unprimeable number, because it can be changed into a prime (432429251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1279208 + ... + 1279545.

It is an arithmetic number, because the mean of its divisors is an integer number (78041997).

Almost surely, 2^432429257 is an apocalyptic number.

It is an amenable number.

432429257 is a deficient number, since it is larger than the sum of its proper divisors (35822725).

432429257 is a wasteful number, since it uses less digits than its factorization.

432429257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558779 (or 2558766 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 432429257 is about 20794.9334454333. The cubic root of 432429257 is about 756.2029312781.

The spelling of 432429257 in words is "four hundred thirty-two million, four hundred twenty-nine thousand, two hundred fifty-seven".