42501259 has 2 divisors, whose sum is σ = 42501260. Its totient is φ = 42501258.

The previous prime is 42501253. The next prime is 42501287. The reversal of 42501259 is 95210524.

It is an a-pointer prime, because the next prime (42501287) can be obtained adding 42501259 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42501259 - 2¹⁷ = 42370187 is a prime.

It is not a weakly prime, because it can be changed into another prime (42501253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21250629 + 21250630.

It is an arithmetic number, because the mean of its divisors is an integer number (21250630).

Almost surely, 2^42501259 is an apocalyptic number.

42501259 is a deficient number, since it is larger than the sum of its proper divisors (1).

42501259 is an equidigital number, since it uses as much as digits as its factorization.

42501259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 42501259 is about 6519.2989653796. The cubic root of 42501259 is about 348.9800482843.

The spelling of 42501259 in words is "forty-two million, five hundred one thousand, two hundred fifty-nine".