42016453 has 2 divisors, whose sum is σ = 42016454. Its totient is φ = 42016452.

The previous prime is 42016441. The next prime is 42016463. The reversal of 42016453 is 35461024.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39526369 + 2490084 = 6287^2 + 1578^2 .

It is a cyclic number.

It is not a de Polignac number, because 42016453 - 2⁵ = 42016421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42016433) 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, 21008226 + 21008227.

It is an arithmetic number, because the mean of its divisors is an integer number (21008227).

Almost surely, 2^42016453 is an apocalyptic number.

It is an amenable number.

42016453 is a deficient number, since it is larger than the sum of its proper divisors (1).

42016453 is an equidigital number, since it uses as much as digits as its factorization.

42016453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 42016453 is about 6482.0099506249. The cubic root of 42016453 is about 347.6480482982.

Adding to 42016453 its reverse (35461024), we get a palindrome (77477477).

The spelling of 42016453 in words is "forty-two million, sixteen thousand, four hundred fifty-three".