42633827 has 2 divisors, whose sum is σ = 42633828. Its totient is φ = 42633826.

The previous prime is 42633823. The next prime is 42633847. The reversal of 42633827 is 72833624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42633827 - 2² = 42633823 is a prime.

It is equal to p_2583755 and since 42633827 and 2583755 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42633823) 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, 21316913 + 21316914.

It is an arithmetic number, because the mean of its divisors is an integer number (21316914).

Almost surely, 2^42633827 is an apocalyptic number.

42633827 is a deficient number, since it is larger than the sum of its proper divisors (1).

42633827 is an equidigital number, since it uses as much as digits as its factorization.

42633827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 35.

The square root of 42633827 is about 6529.4584002044. The cubic root of 42633827 is about 349.3425125988.

The spelling of 42633827 in words is "forty-two million, six hundred thirty-three thousand, eight hundred twenty-seven".