42853963 has 2 divisors, whose sum is σ = 42853964. Its totient is φ = 42853962.

The previous prime is 42853961. The next prime is 42853969. The reversal of 42853963 is 36935824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42853963 - 2¹ = 42853961 is a prime.

Together with 42853961, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42853961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21426981 + 21426982.

It is an arithmetic number, because the mean of its divisors is an integer number (21426982).

Almost surely, 2^42853963 is an apocalyptic number.

42853963 is a deficient number, since it is larger than the sum of its proper divisors (1).

42853963 is an equidigital number, since it uses as much as digits as its factorization.

42853963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 42853963 is about 6546.2938369737. The cubic root of 42853963 is about 349.9427470977.

The spelling of 42853963 in words is "forty-two million, eight hundred fifty-three thousand, nine hundred sixty-three".