42569403 has 8 divisors (see below), whose sum is σ = 56802816. Its totient is φ = 28357800.

The previous prime is 42569383. The next prime is 42569407. The reversal of 42569403 is 30496524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42569403 - 2⁶ = 42569339 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (42569407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163 + ... + 9228.

It is an arithmetic number, because the mean of its divisors is an integer number (7100352).

Almost surely, 2^42569403 is an apocalyptic number.

42569403 is a deficient number, since it is larger than the sum of its proper divisors (14233413).

42569403 is a wasteful number, since it uses less digits than its factorization.

42569403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10905.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 42569403 is about 6524.5232009703. The cubic root of 42569403 is about 349.1664600021.

The spelling of 42569403 in words is "forty-two million, five hundred sixty-nine thousand, four hundred three".