402982253 has 2 divisors, whose sum is σ = 402982254. Its totient is φ = 402982252.

The previous prime is 402982211. The next prime is 402982291. The reversal of 402982253 is 352289204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 391169284 + 11812969 = 19778^2 + 3437^2 .

It is a cyclic number.

It is not a de Polignac number, because 402982253 - 2²⁰ = 401933677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402987253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201491126 + 201491127.

It is an arithmetic number, because the mean of its divisors is an integer number (201491127).

Almost surely, 2^402982253 is an apocalyptic number.

It is an amenable number.

402982253 is a deficient number, since it is larger than the sum of its proper divisors (1).

402982253 is an equidigital number, since it uses as much as digits as its factorization.

402982253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 402982253 is about 20074.4178744989. The cubic root of 402982253 is about 738.6328867654.

The spelling of 402982253 in words is "four hundred two million, nine hundred eighty-two thousand, two hundred fifty-three".