40603457 has 2 divisors, whose sum is σ = 40603458. Its totient is φ = 40603456.

The previous prime is 40603417. The next prime is 40603469. The reversal of 40603457 is 75430604.

40603457 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 can be written as a sum of positive squares in only one way, i.e., 39740416 + 863041 = 6304^2 + 929^2 .

It is a cyclic number.

It is not a de Polignac number, because 40603457 - 2⁸ = 40603201 is a prime.

It is not a weakly prime, because it can be changed into another prime (40603417) 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, 20301728 + 20301729.

It is an arithmetic number, because the mean of its divisors is an integer number (20301729).

Almost surely, 2^40603457 is an apocalyptic number.

It is an amenable number.

40603457 is a deficient number, since it is larger than the sum of its proper divisors (1).

40603457 is an equidigital number, since it uses as much as digits as its factorization.

40603457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 40603457 is about 6372.0841959284. The cubic root of 40603457 is about 343.7064406733.

The spelling of 40603457 in words is "forty million, six hundred three thousand, four hundred fifty-seven".