40513751 has 2 divisors, whose sum is σ = 40513752. Its totient is φ = 40513750.

The previous prime is 40513729. The next prime is 40513763. The reversal of 40513751 is 15731504.

40513751 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40513751 - 2¹⁰ = 40512727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40513751.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40513951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20256875 + 20256876.

It is an arithmetic number, because the mean of its divisors is an integer number (20256876).

Almost surely, 2^40513751 is an apocalyptic number.

40513751 is a deficient number, since it is larger than the sum of its proper divisors (1).

40513751 is an equidigital number, since it uses as much as digits as its factorization.

40513751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 40513751 is about 6365.0413195831. The cubic root of 40513751 is about 343.4531349496.

The spelling of 40513751 in words is "forty million, five hundred thirteen thousand, seven hundred fifty-one".