42441253 has 4 divisors (see below), whose sum is σ = 42853408. Its totient is φ = 42029100.

The previous prime is 42441247. The next prime is 42441271. The reversal of 42441253 is 35214424.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42441253 - 2¹⁷ = 42310181 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 (42441053) 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, 205923 + ... + 206128.

It is an arithmetic number, because the mean of its divisors is an integer number (10713352).

Almost surely, 2^42441253 is an apocalyptic number.

It is an amenable number.

42441253 is a deficient number, since it is larger than the sum of its proper divisors (412155).

42441253 is a wasteful number, since it uses less digits than its factorization.

42441253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412154.

The product of its digits is 3840, while the sum is 25.

The square root of 42441253 is about 6514.6951578719. The cubic root of 42441253 is about 348.8157334676.

Adding to 42441253 its reverse (35214424), we get a palindrome (77655677).

The spelling of 42441253 in words is "forty-two million, four hundred forty-one thousand, two hundred fifty-three".