40063 has 2 divisors, whose sum is σ = 40064. Its totient is φ = 40062.

The previous prime is 40039. The next prime is 40087. The reversal of 40063 is 36004.

It is a balanced prime because it is at equal distance from previous prime (40039) and next prime (40087).

It is a cyclic number.

It is not a de Polignac number, because 40063 - 2⁵ = 40031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40013) 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, 20031 + 20032.

It is an arithmetic number, because the mean of its divisors is an integer number (20032).

2⁴⁰⁰⁶³ is an apocalyptic number.

40063 is a deficient number, since it is larger than the sum of its proper divisors (1).

40063 is an equidigital number, since it uses as much as digits as its factorization.

40063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 40063 is about 200.1574380332. The cubic root of 40063 is about 34.2174642630.

Adding to 40063 its reverse (36004), we get a palindrome (76067).

It can be divided in two parts, 400 and 63, that multiplied together give a triangular number (25200 = T₂₂₄).

The spelling of 40063 in words is "forty thousand, sixty-three".