40075603 has 2 divisors, whose sum is σ = 40075604. Its totient is φ = 40075602.

The previous prime is 40075601. The next prime is 40075621. The reversal of 40075603 is 30657004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40075603 - 2¹ = 40075601 is a prime.

Together with 40075601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40075601) 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, 20037801 + 20037802.

It is an arithmetic number, because the mean of its divisors is an integer number (20037802).

Almost surely, 2^40075603 is an apocalyptic number.

40075603 is a deficient number, since it is larger than the sum of its proper divisors (1).

40075603 is an equidigital number, since it uses as much as digits as its factorization.

40075603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 40075603 is about 6330.5294407340. The cubic root of 40075603 is about 342.2105192482.

The spelling of 40075603 in words is "forty million, seventy-five thousand, six hundred three".