42258401 has 2 divisors, whose sum is σ = 42258402. Its totient is φ = 42258400.

The previous prime is 42258397. The next prime is 42258427. The reversal of 42258401 is 10485224.

It is a happy number.

42258401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (42258427) can be obtained adding 42258401 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30691600 + 11566801 = 5540^2 + 3401^2 .

It is a cyclic number.

It is not a de Polignac number, because 42258401 - 2² = 42258397 is a prime.

It is not a weakly prime, because it can be changed into another prime (42258431) 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, 21129200 + 21129201.

It is an arithmetic number, because the mean of its divisors is an integer number (21129201).

Almost surely, 2^42258401 is an apocalyptic number.

It is an amenable number.

42258401 is a deficient number, since it is larger than the sum of its proper divisors (1).

42258401 is an equidigital number, since it uses as much as digits as its factorization.

42258401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42258401 is about 6500.6461986483. The cubic root of 42258401 is about 348.3140716184.

The spelling of 42258401 in words is "forty-two million, two hundred fifty-eight thousand, four hundred one".