42355313 has 64 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 26956800.

The previous prime is 42355309. The next prime is 42355409. The reversal of 42355313 is 31355324.

It is not a de Polignac number, because 42355313 - 2² = 42355309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42355013) 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 63 ways as a sum of consecutive naturals, for example, 323258 + ... + 323388.

It is an arithmetic number, because the mean of its divisors is an integer number (997920).

Almost surely, 2^42355313 is an apocalyptic number.

It is an amenable number.

42355313 is a deficient number, since it is larger than the sum of its proper divisors (21511567).

42355313 is a wasteful number, since it uses less digits than its factorization.

42355313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198.

The product of its digits is 5400, while the sum is 26.

The square root of 42355313 is about 6508.0959581125. The cubic root of 42355313 is about 348.5801334432.

The spelling of 42355313 in words is "forty-two million, three hundred fifty-five thousand, three hundred thirteen".