40003153 has 2 divisors, whose sum is σ = 40003154. Its totient is φ = 40003152.

The previous prime is 40003133. The next prime is 40003177. The reversal of 40003153 is 35130004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23746129 + 16257024 = 4873^2 + 4032^2 .

It is a cyclic number.

It is not a de Polignac number, because 40003153 - 2¹⁷ = 39872081 is a prime.

It is not a weakly prime, because it can be changed into another prime (40003133) 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, 20001576 + 20001577.

It is an arithmetic number, because the mean of its divisors is an integer number (20001577).

Almost surely, 2^40003153 is an apocalyptic number.

It is an amenable number.

40003153 is a deficient number, since it is larger than the sum of its proper divisors (1).

40003153 is an equidigital number, since it uses as much as digits as its factorization.

40003153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 40003153 is about 6324.8045819614. The cubic root of 40003153 is about 342.0041750228.

Adding to 40003153 its reverse (35130004), we get a palindrome (75133157).

The spelling of 40003153 in words is "forty million, three thousand, one hundred fifty-three".