42253365 has 32 divisors (see below), whose sum is σ = 84289536. Its totient is φ = 17559360.

The previous prime is 42253361. The next prime is 42253417. The reversal of 42253365 is 56335224.

It is not a de Polignac number, because 42253365 - 2² = 42253361 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42253361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17137 + ... + 19446.

It is an arithmetic number, because the mean of its divisors is an integer number (2634048).

Almost surely, 2^42253365 is an apocalyptic number.

It is an amenable number.

42253365 is a deficient number, since it is larger than the sum of its proper divisors (42036171).

42253365 is a wasteful number, since it uses less digits than its factorization.

42253365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36609.

The product of its digits is 21600, while the sum is 30.

The square root of 42253365 is about 6500.2588410001. The cubic root of 42253365 is about 348.3002346905.

Adding to 42253365 its reverse (56335224), we get a palindrome (98588589).

The spelling of 42253365 in words is "forty-two million, two hundred fifty-three thousand, three hundred sixty-five".