8402041253 has 2 divisors, whose sum is σ = 8402041254. Its totient is φ = 8402041252.

The previous prime is 8402041237. The next prime is 8402041303. The reversal of 8402041253 is 3521402048.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7796536804 + 605504449 = 88298^2 + 24607^2 .

It is a cyclic number.

It is not a de Polignac number, because 8402041253 - 2⁴ = 8402041237 is a prime.

It is a super-2 number, since 2×8402041253² (a number of 21 digits) contains 22 as substring.

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 (8402041213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4201020626 + 4201020627.

It is an arithmetic number, because the mean of its divisors is an integer number (4201020627).

Almost surely, 2^8402041253 is an apocalyptic number.

It is an amenable number.

8402041253 is a deficient number, since it is larger than the sum of its proper divisors (1).

8402041253 is an equidigital number, since it uses as much as digits as its factorization.

8402041253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 8402041253 is about 91662.6491707500. The cubic root of 8402041253 is about 2032.9573607788.

The spelling of 8402041253 in words is "eight billion, four hundred two million, forty-one thousand, two hundred fifty-three".