402063553 has 2 divisors, whose sum is σ = 402063554. Its totient is φ = 402063552.

The previous prime is 402063551. The next prime is 402063559. The reversal of 402063553 is 355360204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 296631729 + 105431824 = 17223^2 + 10268^2 .

It is a cyclic number.

It is not a de Polignac number, because 402063553 - 2¹ = 402063551 is a prime.

Together with 402063551, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (402063551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201031776 + 201031777.

It is an arithmetic number, because the mean of its divisors is an integer number (201031777).

Almost surely, 2^402063553 is an apocalyptic number.

It is an amenable number.

402063553 is a deficient number, since it is larger than the sum of its proper divisors (1).

402063553 is an equidigital number, since it uses as much as digits as its factorization.

402063553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 402063553 is about 20051.5224609006. The cubic root of 402063553 is about 738.0711595028.

The spelling of 402063553 in words is "four hundred two million, sixty-three thousand, five hundred fifty-three".