40003519 has 2 divisors, whose sum is σ = 40003520. Its totient is φ = 40003518.

The previous prime is 40003511. The next prime is 40003541. The reversal of 40003519 is 91530004.

It is an a-pointer prime, because the next prime (40003541) can be obtained adding 40003519 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40003519 - 2³ = 40003511 is a prime.

It is a super-2 number, since 2×40003519² = 3200563064766722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40003519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40003511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20001759 + 20001760.

It is an arithmetic number, because the mean of its divisors is an integer number (20001760).

Almost surely, 2^40003519 is an apocalyptic number.

40003519 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003519 is an equidigital number, since it uses as much as digits as its factorization.

40003519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 40003519 is about 6324.8335155955. The cubic root of 40003519 is about 342.0052180502.

The spelling of 40003519 in words is "forty million, three thousand, five hundred nineteen".