40534603 has 4 divisors (see below), whose sum is σ = 40711840. Its totient is φ = 40357368.

The previous prime is 40534597. The next prime is 40534643. The reversal of 40534603 is 30643504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40534603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40534643) 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 in 3 ways as a sum of consecutive naturals, for example, 88275 + ... + 88732.

It is an arithmetic number, because the mean of its divisors is an integer number (10177960).

Almost surely, 2^40534603 is an apocalyptic number.

40534603 is a deficient number, since it is larger than the sum of its proper divisors (177237).

40534603 is a wasteful number, since it uses less digits than its factorization.

40534603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177236.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 40534603 is about 6366.6791186615. The cubic root of 40534603 is about 343.5120487444.

The spelling of 40534603 in words is "forty million, five hundred thirty-four thousand, six hundred three".