42260523 has 4 divisors (see below), whose sum is σ = 56347368. Its totient is φ = 28173680.

The previous prime is 42260509. The next prime is 42260539. The reversal of 42260523 is 32506224.

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

It is a cyclic number.

It is not a de Polignac number, because 42260523 - 2⁶ = 42260459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42260493 and 42260502.

It is not an unprimeable number, because it can be changed into a prime (42260563) 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 3 ways as a sum of consecutive naturals, for example, 7043418 + ... + 7043423.

It is an arithmetic number, because the mean of its divisors is an integer number (14086842).

Almost surely, 2^42260523 is an apocalyptic number.

42260523 is a deficient number, since it is larger than the sum of its proper divisors (14086845).

42260523 is a wasteful number, since it uses less digits than its factorization.

42260523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14086844.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 42260523 is about 6500.8094111426. The cubic root of 42260523 is about 348.3199017025.

Adding to 42260523 its reverse (32506224), we get a palindrome (74766747).

The spelling of 42260523 in words is "forty-two million, two hundred sixty thousand, five hundred twenty-three".