42344125 has 8 divisors (see below), whose sum is σ = 52845624. Its totient is φ = 33875200.

The previous prime is 42344119. The next prime is 42344129. The reversal of 42344125 is 52144324.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 68121 + 42276004 = 261^2 + 6502^2 .

It is not a de Polignac number, because 42344125 - 2³ = 42344117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

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 42344125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42344129) 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, 169252 + ... + 169501.

It is an arithmetic number, because the mean of its divisors is an integer number (6605703).

Almost surely, 2^42344125 is an apocalyptic number.

It is an amenable number.

42344125 is a deficient number, since it is larger than the sum of its proper divisors (10501499).

42344125 is an equidigital number, since it uses as much as digits as its factorization.

42344125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338768 (or 338758 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 42344125 is about 6507.2363565495. The cubic root of 42344125 is about 348.5494386875.

Adding to 42344125 its reverse (52144324), we get a palindrome (94488449).

The spelling of 42344125 in words is "forty-two million, three hundred forty-four thousand, one hundred twenty-five".