42344325 has 18 divisors (see below), whose sum is σ = 75843794. Its totient is φ = 22583520.

The previous prime is 42344273. The next prime is 42344327. The reversal of 42344325 is 52344324.

It can be written as a sum of positive squares in 3 ways, for example, as 431649 + 41912676 = 657^2 + 6474^2 .

It is not a de Polignac number, because 42344325 - 2⁶ = 42344261 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42344327) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 93874 + ... + 94323.

Almost surely, 2^42344325 is an apocalyptic number.

42344325 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42344325 is a deficient number, since it is larger than the sum of its proper divisors (33499469).

42344325 is a wasteful number, since it uses less digits than its factorization.

42344325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188213 (or 188205 counting only the distinct ones).

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

The square root of 42344325 is about 6507.2517240383. The cubic root of 42344325 is about 348.5499874435.

Adding to 42344325 its reverse (52344324), we get a palindrome (94688649).

Subtracting 42344325 from its reverse (52344324), we obtain a palindrome (9999999).

The spelling of 42344325 in words is "forty-two million, three hundred forty-four thousand, three hundred twenty-five".