42251353 has 2 divisors, whose sum is σ = 42251354. Its totient is φ = 42251352.

The previous prime is 42251351. The next prime is 42251359. The reversal of 42251353 is 35315224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40487769 + 1763584 = 6363^2 + 1328^2 .

It is a cyclic number.

It is not a de Polignac number, because 42251353 - 2¹ = 42251351 is a prime.

Together with 42251351, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42251351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21125676 + 21125677.

It is an arithmetic number, because the mean of its divisors is an integer number (21125677).

Almost surely, 2^42251353 is an apocalyptic number.

It is an amenable number.

42251353 is a deficient number, since it is larger than the sum of its proper divisors (1).

42251353 is an equidigital number, since it uses as much as digits as its factorization.

42251353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 42251353 is about 6500.1040760899. The cubic root of 42251353 is about 348.2947062062.

Adding to 42251353 its reverse (35315224), we get a palindrome (77566577).

The spelling of 42251353 in words is "forty-two million, two hundred fifty-one thousand, three hundred fifty-three".