40103537 has 2 divisors, whose sum is σ = 40103538. Its totient is φ = 40103536.

The previous prime is 40103521. The next prime is 40103551. The reversal of 40103537 is 73530104.

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., 34762816 + 5340721 = 5896^2 + 2311^2 .

It is a cyclic number.

It is not a de Polignac number, because 40103537 - 2⁴ = 40103521 is a prime.

It is not a weakly prime, because it can be changed into another prime (40103837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20051768 + 20051769.

It is an arithmetic number, because the mean of its divisors is an integer number (20051769).

Almost surely, 2^40103537 is an apocalyptic number.

It is an amenable number.

40103537 is a deficient number, since it is larger than the sum of its proper divisors (1).

40103537 is an equidigital number, since it uses as much as digits as its factorization.

40103537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 40103537 is about 6332.7353489626. The cubic root of 40103537 is about 342.2900114058.

The spelling of 40103537 in words is "forty million, one hundred three thousand, five hundred thirty-seven".