40125259 has 2 divisors, whose sum is σ = 40125260. Its totient is φ = 40125258.

The previous prime is 40125229. The next prime is 40125277. The reversal of 40125259 is 95252104.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40125259 - 2⁵ = 40125227 is a prime.

It is a super-2 number, since 2×40125259² = 3220072819634162, which contains 22 as substring.

It is equal to p_2440819 and since 40125259 and 2440819 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 (40125209) 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, 20062629 + 20062630.

It is an arithmetic number, because the mean of its divisors is an integer number (20062630).

Almost surely, 2^40125259 is an apocalyptic number.

40125259 is a deficient number, since it is larger than the sum of its proper divisors (1).

40125259 is an equidigital number, since it uses as much as digits as its factorization.

40125259 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 40125259 is about 6334.4501734563. The cubic root of 40125259 is about 342.3518004828.

The spelling of 40125259 in words is "forty million, one hundred twenty-five thousand, two hundred fifty-nine".