40252519 has 2 divisors, whose sum is σ = 40252520. Its totient is φ = 40252518.

The previous prime is 40252517. The next prime is 40252547. The reversal of 40252519 is 91525204.

40252519 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 (40252547) can be obtained adding 40252519 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40252519 - 2¹ = 40252517 is a prime.

It is a super-2 number, since 2×40252519² = 3240530571690722, which contains 22 as substring.

Together with 40252517, it forms a pair of twin primes.

It is equal to p_2448046 and since 40252519 and 2448046 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40252517) 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, 20126259 + 20126260.

It is an arithmetic number, because the mean of its divisors is an integer number (20126260).

Almost surely, 2^40252519 is an apocalyptic number.

40252519 is a deficient number, since it is larger than the sum of its proper divisors (1).

40252519 is an equidigital number, since it uses as much as digits as its factorization.

40252519 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 40252519 is about 6344.4872921301. The cubic root of 40252519 is about 342.7133492337.

The spelling of 40252519 in words is "forty million, two hundred fifty-two thousand, five hundred nineteen".