432401503 has 4 divisors (see below), whose sum is σ = 436682808. Its totient is φ = 428120200.

The previous prime is 432401483. The next prime is 432401509. The reversal of 432401503 is 305104234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 432401503 - 2⁵ = 432401471 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (432401509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2140501 + ... + 2140702.

It is an arithmetic number, because the mean of its divisors is an integer number (109170702).

Almost surely, 2^432401503 is an apocalyptic number.

432401503 is a deficient number, since it is larger than the sum of its proper divisors (4281305).

432401503 is a wasteful number, since it uses less digits than its factorization.

432401503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4281304.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 432401503 is about 20794.2661087137. The cubic root of 432401503 is about 756.1867528282.

Adding to 432401503 its reverse (305104234), we get a palindrome (737505737).

The spelling of 432401503 in words is "four hundred thirty-two million, four hundred one thousand, five hundred three".