42202751 has 2 divisors, whose sum is σ = 42202752. Its totient is φ = 42202750.

The previous prime is 42202747. The next prime is 42202793. The reversal of 42202751 is 15720224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42202751 - 2² = 42202747 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42202351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21101375 + 21101376.

It is an arithmetic number, because the mean of its divisors is an integer number (21101376).

Almost surely, 2^42202751 is an apocalyptic number.

42202751 is a deficient number, since it is larger than the sum of its proper divisors (1).

42202751 is an equidigital number, since it uses as much as digits as its factorization.

42202751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 42202751 is about 6496.3644448260. The cubic root of 42202751 is about 348.1611064278.

Adding to 42202751 its reverse (15720224), we get a palindrome (57922975).

The spelling of 42202751 in words is "forty-two million, two hundred two thousand, seven hundred fifty-one".