42633001 has 2 divisors, whose sum is σ = 42633002. Its totient is φ = 42633000.

The previous prime is 42632981. The next prime is 42633043. The reversal of 42633001 is 10033624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29419776 + 13213225 = 5424^2 + 3635^2 .

It is a cyclic number.

It is not a de Polignac number, because 42633001 - 2⁵ = 42632969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42633001.

It is not a weakly prime, because it can be changed into another prime (42636001) 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, 21316500 + 21316501.

It is an arithmetic number, because the mean of its divisors is an integer number (21316501).

Almost surely, 2^42633001 is an apocalyptic number.

It is an amenable number.

42633001 is a deficient number, since it is larger than the sum of its proper divisors (1).

42633001 is an equidigital number, since it uses as much as digits as its factorization.

42633001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 42633001 is about 6529.3951480976. The cubic root of 42633001 is about 349.3402564969.

Adding to 42633001 its reverse (10033624), we get a palindrome (52666625).

The spelling of 42633001 in words is "forty-two million, six hundred thirty-three thousand, one".