42253335330251 has 4 divisors (see below), whose sum is σ = 42256702947432. Its totient is φ = 42249967713072.

The previous prime is 42253335330221. The next prime is 42253335330259. The reversal of 42253335330251 is 15203353335224.

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

It is a cyclic number.

It is not a de Polignac number, because 42253335330251 - 2¹⁸ = 42253335068107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42253335330199 and 42253335330208.

It is not an unprimeable number, because it can be changed into a prime (42253335330259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683789770 + ... + 1683814863.

It is an arithmetic number, because the mean of its divisors is an integer number (10564175736858).

Almost surely, 2^{42253335330251} is an apocalyptic number.

42253335330251 is a deficient number, since it is larger than the sum of its proper divisors (3367617181).

42253335330251 is a wasteful number, since it uses less digits than its factorization.

42253335330251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3367617180.

The product of its (nonzero) digits is 972000, while the sum is 41.

Adding to 42253335330251 its reverse (15203353335224), we get a palindrome (57456688665475).

The spelling of 42253335330251 in words is "forty-two trillion, two hundred fifty-three billion, three hundred thirty-five million, three hundred thirty thousand, two hundred fifty-one".