40725511 has 2 divisors, whose sum is σ = 40725512. Its totient is φ = 40725510.

The previous prime is 40725499. The next prime is 40725521. The reversal of 40725511 is 11552704.

40725511 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 40725511 - 2⁷ = 40725383 is a prime.

It is a super-2 number, since 2×40725511² = 3317134492422242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40725521) 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, 20362755 + 20362756.

It is an arithmetic number, because the mean of its divisors is an integer number (20362756).

Almost surely, 2^40725511 is an apocalyptic number.

40725511 is a deficient number, since it is larger than the sum of its proper divisors (1).

40725511 is an equidigital number, since it uses as much as digits as its factorization.

40725511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 40725511 is about 6381.6542526213. The cubic root of 40725511 is about 344.0504900426.

The spelling of 40725511 in words is "forty million, seven hundred twenty-five thousand, five hundred eleven".