40082453 has 2 divisors, whose sum is σ = 40082454. Its totient is φ = 40082452.

The previous prime is 40082423. The next prime is 40082477. The reversal of 40082453 is 35428004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39853969 + 228484 = 6313^2 + 478^2 .

It is a cyclic number.

It is not a de Polignac number, because 40082453 - 2⁶ = 40082389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40082423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20041226 + 20041227.

It is an arithmetic number, because the mean of its divisors is an integer number (20041227).

Almost surely, 2^40082453 is an apocalyptic number.

It is an amenable number.

40082453 is a deficient number, since it is larger than the sum of its proper divisors (1).

40082453 is an equidigital number, since it uses as much as digits as its factorization.

40082453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 40082453 is about 6331.0704466149. The cubic root of 40082453 is about 342.2300158025.

The spelling of 40082453 in words is "forty million, eighty-two thousand, four hundred fifty-three".