40568503 has 2 divisors, whose sum is σ = 40568504. Its totient is φ = 40568502.

The previous prime is 40568471. The next prime is 40568513. The reversal of 40568503 is 30586504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40568503 - 2⁵ = 40568471 is a prime.

It is a super-2 number, since 2×40568503² = 3291606871322018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40568513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20284251 + 20284252.

It is an arithmetic number, because the mean of its divisors is an integer number (20284252).

Almost surely, 2^40568503 is an apocalyptic number.

40568503 is a deficient number, since it is larger than the sum of its proper divisors (1).

40568503 is an equidigital number, since it uses as much as digits as its factorization.

40568503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 40568503 is about 6369.3408607171. The cubic root of 40568503 is about 343.6077843445.

The spelling of 40568503 in words is "forty million, five hundred sixty-eight thousand, five hundred three".