42289651 has 2 divisors, whose sum is σ = 42289652. Its totient is φ = 42289650.

The previous prime is 42289633. The next prime is 42289661. The reversal of 42289651 is 15698224.

42289651 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42289651 - 2⁹ = 42289139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42289651.

It is not a weakly prime, because it can be changed into another prime (42289661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21144825 + 21144826.

It is an arithmetic number, because the mean of its divisors is an integer number (21144826).

Almost surely, 2^42289651 is an apocalyptic number.

42289651 is a deficient number, since it is larger than the sum of its proper divisors (1).

42289651 is an equidigital number, since it uses as much as digits as its factorization.

42289651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 37.

The square root of 42289651 is about 6503.0493616457. The cubic root of 42289651 is about 348.3999096410.

The spelling of 42289651 in words is "forty-two million, two hundred eighty-nine thousand, six hundred fifty-one".