42353522 has 4 divisors (see below), whose sum is σ = 63530286. Its totient is φ = 21176760.

The previous prime is 42353503. The next prime is 42353539. The reversal of 42353522 is 22535324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26822041 + 15531481 = 5179^2 + 3941^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42353491 and 42353500.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10588379 + ... + 10588382.

Almost surely, 2^42353522 is an apocalyptic number.

42353522 is a deficient number, since it is larger than the sum of its proper divisors (21176764).

42353522 is a wasteful number, since it uses less digits than its factorization.

42353522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21176763.

The product of its digits is 7200, while the sum is 26.

The square root of 42353522 is about 6507.9583588096. The cubic root of 42353522 is about 348.5752201217.

Adding to 42353522 its reverse (22535324), we get a palindrome (64888846).

It can be divided in two parts, 42353 and 522, that added together give a cube (42875 = 35³).

The spelling of 42353522 in words is "forty-two million, three hundred fifty-three thousand, five hundred twenty-two".