42541253 has 4 divisors (see below), whose sum is σ = 42761868. Its totient is φ = 42320640.

The previous prime is 42541249. The next prime is 42541267. The reversal of 42541253 is 35214524.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5841889 + 36699364 = 2417^2 + 6058^2 .

It is a cyclic number.

It is not a de Polignac number, because 42541253 - 2² = 42541249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42541243) 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, 110018 + ... + 110403.

It is an arithmetic number, because the mean of its divisors is an integer number (10690467).

Almost surely, 2^42541253 is an apocalyptic number.

It is an amenable number.

42541253 is a deficient number, since it is larger than the sum of its proper divisors (220615).

42541253 is a wasteful number, since it uses less digits than its factorization.

42541253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220614.

The product of its digits is 4800, while the sum is 26.

The square root of 42541253 is about 6522.3655984620. The cubic root of 42541253 is about 349.0894782381.

Adding to 42541253 its reverse (35214524), we get a palindrome (77755777).

The spelling of 42541253 in words is "forty-two million, five hundred forty-one thousand, two hundred fifty-three".