42751853 has 2 divisors, whose sum is σ = 42751854. Its totient is φ = 42751852.

The previous prime is 42751837. The next prime is 42751897. The reversal of 42751853 is 35815724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39664804 + 3087049 = 6298^2 + 1757^2 .

It is a cyclic number.

It is not a de Polignac number, because 42751853 - 2⁴ = 42751837 is a prime.

It is equal to p_2590496 and since 42751853 and 2590496 have the same sum of digits, it is a Honaker prime.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42751253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21375926 + 21375927.

It is an arithmetic number, because the mean of its divisors is an integer number (21375927).

Almost surely, 2^42751853 is an apocalyptic number.

It is an amenable number.

42751853 is a deficient number, since it is larger than the sum of its proper divisors (1).

42751853 is an equidigital number, since it uses as much as digits as its factorization.

42751853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 33600, while the sum is 35.

The square root of 42751853 is about 6538.4901162271. The cubic root of 42751853 is about 349.6645847869.

The spelling of 42751853 in words is "forty-two million, seven hundred fifty-one thousand, eight hundred fifty-three".