40522403 has 2 divisors, whose sum is σ = 40522404. Its totient is φ = 40522402.

The previous prime is 40522399. The next prime is 40522411. The reversal of 40522403 is 30422504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40522403 - 2² = 40522399 is a prime.

It is not a weakly prime, because it can be changed into another prime (40522103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20261201 + 20261202.

It is an arithmetic number, because the mean of its divisors is an integer number (20261202).

Almost surely, 2^40522403 is an apocalyptic number.

40522403 is a deficient number, since it is larger than the sum of its proper divisors (1).

40522403 is an equidigital number, since it uses as much as digits as its factorization.

40522403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 40522403 is about 6365.7209332486. The cubic root of 40522403 is about 343.4775821636.

Adding to 40522403 its reverse (30422504), we get a palindrome (70944907).

The spelling of 40522403 in words is "forty million, five hundred twenty-two thousand, four hundred three".