42315573 has 4 divisors (see below), whose sum is σ = 56420768. Its totient is φ = 28210380.

The previous prime is 42315563. The next prime is 42315577. The reversal of 42315573 is 37551324.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42315573 - 2⁵ = 42315541 is a prime.

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 42315573.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42315577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7052593 + ... + 7052598.

It is an arithmetic number, because the mean of its divisors is an integer number (14105192).

Almost surely, 2^42315573 is an apocalyptic number.

It is an amenable number.

42315573 is a deficient number, since it is larger than the sum of its proper divisors (14105195).

42315573 is a wasteful number, since it uses less digits than its factorization.

42315573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14105194.

The product of its digits is 12600, while the sum is 30.

The square root of 42315573 is about 6505.0421213087. The cubic root of 42315573 is about 348.4710805430.

Adding to 42315573 its reverse (37551324), we get a palindrome (79866897).

It can be divided in two parts, 42 and 315573, that added together give a triangular number (315615 = T₇₉₄).

The spelling of 42315573 in words is "forty-two million, three hundred fifteen thousand, five hundred seventy-three".