40518053 has 2 divisors, whose sum is σ = 40518054. Its totient is φ = 40518052.

The previous prime is 40518047. The next prime is 40518059. The reversal of 40518053 is 35081504.

It is a balanced prime because it is at equal distance from previous prime (40518047) and next prime (40518059).

It can be written as a sum of positive squares in only one way, i.e., 22259524 + 18258529 = 4718^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 40518053 - 2²⁰ = 39469477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40518059) 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, 20259026 + 20259027.

It is an arithmetic number, because the mean of its divisors is an integer number (20259027).

Almost surely, 2^40518053 is an apocalyptic number.

It is an amenable number.

40518053 is a deficient number, since it is larger than the sum of its proper divisors (1).

40518053 is an equidigital number, since it uses as much as digits as its factorization.

40518053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 40518053 is about 6365.3792502882. The cubic root of 40518053 is about 343.4652911769.

Adding to 40518053 its reverse (35081504), we get a palindrome (75599557).

The spelling of 40518053 in words is "forty million, five hundred eighteen thousand, fifty-three".