40252673 has 2 divisors, whose sum is σ = 40252674. Its totient is φ = 40252672.

The previous prime is 40252661. The next prime is 40252679. The reversal of 40252673 is 37625204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39025009 + 1227664 = 6247^2 + 1108^2 .

It is a cyclic number.

It is not a de Polignac number, because 40252673 - 2⁴ = 40252657 is a prime.

It is not a weakly prime, because it can be changed into another prime (40252679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20126336 + 20126337.

It is an arithmetic number, because the mean of its divisors is an integer number (20126337).

Almost surely, 2^40252673 is an apocalyptic number.

It is an amenable number.

40252673 is a deficient number, since it is larger than the sum of its proper divisors (1).

40252673 is an equidigital number, since it uses as much as digits as its factorization.

40252673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 40252673 is about 6344.4994286390. The cubic root of 40252673 is about 342.7137862895.

Adding to 40252673 its reverse (37625204), we get a palindrome (77877877).

The spelling of 40252673 in words is "forty million, two hundred fifty-two thousand, six hundred seventy-three".