402063653 has 2 divisors, whose sum is σ = 402063654. Its totient is φ = 402063652.

The previous prime is 402063647. The next prime is 402063677. The reversal of 402063653 is 356360204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 307546369 + 94517284 = 17537^2 + 9722^2 .

It is a cyclic number.

It is not a de Polignac number, because 402063653 - 2⁴ = 402063637 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 (402063643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201031826 + 201031827.

It is an arithmetic number, because the mean of its divisors is an integer number (201031827).

Almost surely, 2^402063653 is an apocalyptic number.

It is an amenable number.

402063653 is a deficient number, since it is larger than the sum of its proper divisors (1).

402063653 is an equidigital number, since it uses as much as digits as its factorization.

402063653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 402063653 is about 20051.5249544767. The cubic root of 402063653 is about 738.0712206930.

The spelling of 402063653 in words is "four hundred two million, sixty-three thousand, six hundred fifty-three".