42054413 has 6 divisors (see below), whose sum is σ = 44674026. Its totient is φ = 39580352.

The previous prime is 42054407. The next prime is 42054421. The reversal of 42054413 is 31445024.

It can be written as a sum of positive squares in 3 ways, for example, as 16024009 + 26030404 = 4003^2 + 5102^2 .

It is not a de Polignac number, because 42054413 - 2⁶ = 42054349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42054713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72470 + ... + 73047.

It is an arithmetic number, because the mean of its divisors is an integer number (7445671).

Almost surely, 2^42054413 is an apocalyptic number.

It is an amenable number.

42054413 is a deficient number, since it is larger than the sum of its proper divisors (2619613).

42054413 is a wasteful number, since it uses less digits than its factorization.

42054413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145551 (or 145534 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 42054413 is about 6484.9373936839. The cubic root of 42054413 is about 347.7527116443.

Adding to 42054413 its reverse (31445024), we get a palindrome (73499437).

The spelling of 42054413 in words is "forty-two million, fifty-four thousand, four hundred thirteen".