2005432403 has 4 divisors (see below), whose sum is σ = 2159696448. Its totient is φ = 1851168360.

The previous prime is 2005432393. The next prime is 2005432427. The reversal of 2005432403 is 3042345002.

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 2005432403 - 2⁶ = 2005432339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2005432433) 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, 77132003 + ... + 77132028.

It is an arithmetic number, because the mean of its divisors is an integer number (539924112).

Almost surely, 2^2005432403 is an apocalyptic number.

2005432403 is a deficient number, since it is larger than the sum of its proper divisors (154264045).

2005432403 is a wasteful number, since it uses less digits than its factorization.

2005432403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154264044.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 2005432403 is about 44782.0544749791. The cubic root of 2005432403 is about 1261.0607517788.

Adding to 2005432403 its reverse (3042345002), we get a palindrome (5047777405).

The spelling of 2005432403 in words is "two billion, five million, four hundred thirty-two thousand, four hundred three".