42653263 has 4 divisors (see below), whose sum is σ = 42669288. Its totient is φ = 42637240.

The previous prime is 42653257. The next prime is 42653269. The reversal of 42653263 is 36235624.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (42653257) and next prime (42653269).

It is a cyclic number.

It is not a de Polignac number, because 42653263 - 2⁵ = 42653231 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42653269) 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, 2956 + ... + 9697.

It is an arithmetic number, because the mean of its divisors is an integer number (10667322).

Almost surely, 2^42653263 is an apocalyptic number.

42653263 is a deficient number, since it is larger than the sum of its proper divisors (16025).

42653263 is a wasteful number, since it uses less digits than its factorization.

42653263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16024.

The product of its digits is 25920, while the sum is 31.

The square root of 42653263 is about 6530.9465623292. The cubic root of 42653263 is about 349.3955908704.

Adding to 42653263 its reverse (36235624), we get a palindrome (78888887).

The spelling of 42653263 in words is "forty-two million, six hundred fifty-three thousand, two hundred sixty-three".