42487853 has 2 divisors, whose sum is σ = 42487854. Its totient is φ = 42487852.

The previous prime is 42487829. The next prime is 42487883. The reversal of 42487853 is 35878424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37002889 + 5484964 = 6083^2 + 2342^2 .

It is a cyclic number.

It is not a de Polignac number, because 42487853 - 2¹² = 42483757 is a prime.

It is a Chen prime.

It is equal to p_2575499 and since 42487853 and 2575499 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42487853.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42487883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21243926 + 21243927.

It is an arithmetic number, because the mean of its divisors is an integer number (21243927).

Almost surely, 2^42487853 is an apocalyptic number.

It is an amenable number.

42487853 is a deficient number, since it is larger than the sum of its proper divisors (1).

42487853 is an equidigital number, since it uses as much as digits as its factorization.

42487853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 41.

The square root of 42487853 is about 6518.2707062533. The cubic root of 42487853 is about 348.9433519713.

The spelling of 42487853 in words is "forty-two million, four hundred eighty-seven thousand, eight hundred fifty-three".