40782523 has 2 divisors, whose sum is σ = 40782524. Its totient is φ = 40782522.

The previous prime is 40782517. The next prime is 40782529. The reversal of 40782523 is 32528704.

It is a balanced prime because it is at equal distance from previous prime (40782517) and next prime (40782529).

It is a cyclic number.

It is not a de Polignac number, because 40782523 - 2⁹ = 40782011 is a prime.

It is not a weakly prime, because it can be changed into another prime (40782529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20391261 + 20391262.

It is an arithmetic number, because the mean of its divisors is an integer number (20391262).

Almost surely, 2^40782523 is an apocalyptic number.

40782523 is a deficient number, since it is larger than the sum of its proper divisors (1).

40782523 is an equidigital number, since it uses as much as digits as its factorization.

40782523 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 40782523 is about 6386.1195572899. The cubic root of 40782523 is about 344.2109616168.

The spelling of 40782523 in words is "forty million, seven hundred eighty-two thousand, five hundred twenty-three".