42253771 has 8 divisors (see below), whose sum is σ = 48413664. Its totient is φ = 36124800.

The previous prime is 42253769. The next prime is 42253801. The reversal of 42253771 is 17735224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42253771 - 2¹ = 42253769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42253711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4720 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (6051708).

Almost surely, 2^42253771 is an apocalyptic number.

42253771 is a deficient number, since it is larger than the sum of its proper divisors (6159893).

42253771 is a wasteful number, since it uses less digits than its factorization.

42253771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15461.

The product of its digits is 11760, while the sum is 31.

The square root of 42253771 is about 6500.2900704507. The cubic root of 42253771 is about 348.3013502580.

Adding to 42253771 its reverse (17735224), we get a palindrome (59988995).

The spelling of 42253771 in words is "forty-two million, two hundred fifty-three thousand, seven hundred seventy-one".