42261355 has 4 divisors (see below), whose sum is σ = 50713632. Its totient is φ = 33809080.

The previous prime is 42261353. The next prime is 42261361. The reversal of 42261355 is 55316224.

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

It is not a de Polignac number, because 42261355 - 2¹ = 42261353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42261353) 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, 4226131 + ... + 4226140.

It is an arithmetic number, because the mean of its divisors is an integer number (12678408).

Almost surely, 2^42261355 is an apocalyptic number.

42261355 is a deficient number, since it is larger than the sum of its proper divisors (8452277).

42261355 is an equidigital number, since it uses as much as digits as its factorization.

42261355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8452276.

The product of its digits is 7200, while the sum is 28.

The square root of 42261355 is about 6500.8734028590. The cubic root of 42261355 is about 348.3221875257.

Adding to 42261355 its reverse (55316224), we get a palindrome (97577579).

The spelling of 42261355 in words is "forty-two million, two hundred sixty-one thousand, three hundred fifty-five".