42520353 has 16 divisors (see below), whose sum is σ = 59427456. Its totient is φ = 26991360.

The previous prime is 42520337. The next prime is 42520367. The reversal of 42520353 is 35302524.

It is not a de Polignac number, because 42520353 - 2⁴ = 42520337 is a prime.

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 in 15 ways as a sum of consecutive naturals, for example, 15351 + ... + 17907.

It is an arithmetic number, because the mean of its divisors is an integer number (3714216).

Almost surely, 2^42520353 is an apocalyptic number.

It is an amenable number.

42520353 is a deficient number, since it is larger than the sum of its proper divisors (16907103).

42520353 is a wasteful number, since it uses less digits than its factorization.

42520353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2824.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 42520353 is about 6520.7632222003. The cubic root of 42520353 is about 349.0323010691.

Adding to 42520353 its reverse (35302524), we get a palindrome (77822877).

The spelling of 42520353 in words is "forty-two million, five hundred twenty thousand, three hundred fifty-three".