40107503 has 2 divisors, whose sum is σ = 40107504. Its totient is φ = 40107502.

The previous prime is 40107451. The next prime is 40107527. The reversal of 40107503 is 30570104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40107503 - 2¹⁸ = 39845359 is a prime.

It is a super-2 number, since 2×40107503² = 3217223593790018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40107533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20053751 + 20053752.

It is an arithmetic number, because the mean of its divisors is an integer number (20053752).

Almost surely, 2^40107503 is an apocalyptic number.

40107503 is a deficient number, since it is larger than the sum of its proper divisors (1).

40107503 is an equidigital number, since it uses as much as digits as its factorization.

40107503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 40107503 is about 6333.0484760501. The cubic root of 40107503 is about 342.3012945124.

Adding to 40107503 its reverse (30570104), we get a palindrome (70677607).

The spelling of 40107503 in words is "forty million, one hundred seven thousand, five hundred three".