42251135 has 8 divisors (see below), whose sum is σ = 51066960. Its totient is φ = 33557184.

The previous prime is 42251119. The next prime is 42251149. The reversal of 42251135 is 53115224.

42251135 = 243² + 244² + ... + 520².

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 42251135 - 2⁴ = 42251119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42251135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29702 + ... + 31091.

It is an arithmetic number, because the mean of its divisors is an integer number (6383370).

Almost surely, 2^42251135 is an apocalyptic number.

42251135 is a deficient number, since it is larger than the sum of its proper divisors (8815825).

42251135 is a wasteful number, since it uses less digits than its factorization.

42251135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60937.

The product of its digits is 1200, while the sum is 23.

The square root of 42251135 is about 6500.0873071060. The cubic root of 42251135 is about 348.2941071849.

Adding to 42251135 its reverse (53115224), we get a palindrome (95366359).

The spelling of 42251135 in words is "forty-two million, two hundred fifty-one thousand, one hundred thirty-five".