40513153 has 2 divisors, whose sum is σ = 40513154. Its totient is φ = 40513152.

The previous prime is 40513133. The next prime is 40513163. The reversal of 40513153 is 35131504.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21790224 + 18722929 = 4668^2 + 4327^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40513153 is a prime.

It is not a weakly prime, because it can be changed into another prime (40513133) 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, 20256576 + 20256577.

It is an arithmetic number, because the mean of its divisors is an integer number (20256577).

Almost surely, 2^40513153 is an apocalyptic number.

It is an amenable number.

40513153 is a deficient number, since it is larger than the sum of its proper divisors (1).

40513153 is an equidigital number, since it uses as much as digits as its factorization.

40513153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 40513153 is about 6364.9943440666. The cubic root of 40513153 is about 343.4514451038.

Adding to 40513153 its reverse (35131504), we get a palindrome (75644657).

The spelling of 40513153 in words is "forty million, five hundred thirteen thousand, one hundred fifty-three".