42425343 has 8 divisors (see below), whose sum is σ = 62852400. Its totient is φ = 28283544.

The previous prime is 42425333. The next prime is 42425359. The reversal of 42425343 is 34352424.

It is not a de Polignac number, because 42425343 - 2⁵ = 42425311 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1571309 = 42425343 / (4 + 2 + 4 + 2 + 5 + 3 + 4 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42425333) 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, 785628 + ... + 785681.

It is an arithmetic number, because the mean of its divisors is an integer number (7856550).

Almost surely, 2^42425343 is an apocalyptic number.

42425343 is a deficient number, since it is larger than the sum of its proper divisors (20427057).

42425343 is a wasteful number, since it uses less digits than its factorization.

42425343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571318 (or 1571312 counting only the distinct ones).

The product of its digits is 11520, while the sum is 27.

The square root of 42425343 is about 6513.4739578815. The cubic root of 42425343 is about 348.7721410385.

Adding to 42425343 its reverse (34352424), we get a palindrome (76777767).

The spelling of 42425343 in words is "forty-two million, four hundred twenty-five thousand, three hundred forty-three".