40263163 has 2 divisors, whose sum is σ = 40263164. Its totient is φ = 40263162.

The previous prime is 40263149. The next prime is 40263169. The reversal of 40263163 is 36136204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40263163 - 2¹³ = 40254971 is a prime.

It is a super-2 number, since 2×40263163² = 3242244589529138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40263169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20131581 + 20131582.

It is an arithmetic number, because the mean of its divisors is an integer number (20131582).

Almost surely, 2^40263163 is an apocalyptic number.

40263163 is a deficient number, since it is larger than the sum of its proper divisors (1).

40263163 is an equidigital number, since it uses as much as digits as its factorization.

40263163 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 40263163 is about 6345.3260751517. The cubic root of 40263163 is about 342.7435545434.

Adding to 40263163 its reverse (36136204), we get a palindrome (76399367).

The spelling of 40263163 in words is "forty million, two hundred sixty-three thousand, one hundred sixty-three".