42115303 has 2 divisors, whose sum is σ = 42115304. Its totient is φ = 42115302.

The previous prime is 42115253. The next prime is 42115313. The reversal of 42115303 is 30351124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42115303 - 2¹³ = 42107111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42115313) 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, 21057651 + 21057652.

It is an arithmetic number, because the mean of its divisors is an integer number (21057652).

Almost surely, 2^42115303 is an apocalyptic number.

42115303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42115303 is an equidigital number, since it uses as much as digits as its factorization.

42115303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 42115303 is about 6489.6304209100. The cubic root of 42115303 is about 347.9204661463.

Adding to 42115303 its reverse (30351124), we get a palindrome (72466427).

The spelling of 42115303 in words is "forty-two million, one hundred fifteen thousand, three hundred three".