42453211 has 4 divisors (see below), whose sum is σ = 42842800. Its totient is φ = 42063624.

The previous prime is 42453181. The next prime is 42453221. The reversal of 42453211 is 11235424.

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 42453211 - 2⁹ = 42452699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42453221) 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, 194631 + ... + 194848.

It is an arithmetic number, because the mean of its divisors is an integer number (10710700).

Almost surely, 2^42453211 is an apocalyptic number.

42453211 is a deficient number, since it is larger than the sum of its proper divisors (389589).

42453211 is a wasteful number, since it uses less digits than its factorization.

42453211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389588.

The product of its digits is 960, while the sum is 22.

The square root of 42453211 is about 6515.6128644971. The cubic root of 42453211 is about 348.8484904871.

Adding to 42453211 its reverse (11235424), we get a palindrome (53688635).

It can be divided in two parts, 424 and 53211, that added together give a palindrome (53635).

The spelling of 42453211 in words is "forty-two million, four hundred fifty-three thousand, two hundred eleven".