42975253 has 2 divisors, whose sum is σ = 42975254. Its totient is φ = 42975252.

The previous prime is 42975239. The next prime is 42975271. The reversal of 42975253 is 35257924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36457444 + 6517809 = 6038^2 + 2553^2 .

It is a cyclic number.

It is not a de Polignac number, because 42975253 - 2⁵ = 42975221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42975203) 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, 21487626 + 21487627.

It is an arithmetic number, because the mean of its divisors is an integer number (21487627).

Almost surely, 2^42975253 is an apocalyptic number.

It is an amenable number.

42975253 is a deficient number, since it is larger than the sum of its proper divisors (1).

42975253 is an equidigital number, since it uses as much as digits as its factorization.

42975253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The square root of 42975253 is about 6555.5513116747. The cubic root of 42975253 is about 350.2725849308.

The spelling of 42975253 in words is "forty-two million, nine hundred seventy-five thousand, two hundred fifty-three".