63402593 has 2 divisors, whose sum is σ = 63402594. Its totient is φ = 63402592.

The previous prime is 63402589. The next prime is 63402611. The reversal of 63402593 is 39520436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49801249 + 13601344 = 7057^2 + 3688^2 .

It is a cyclic number.

It is not a de Polignac number, because 63402593 - 2² = 63402589 is a prime.

It is not a weakly prime, because it can be changed into another prime (63402583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31701296 + 31701297.

It is an arithmetic number, because the mean of its divisors is an integer number (31701297).

Almost surely, 2^63402593 is an apocalyptic number.

It is an amenable number.

63402593 is a deficient number, since it is larger than the sum of its proper divisors (1).

63402593 is an equidigital number, since it uses as much as digits as its factorization.

63402593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 63402593 is about 7962.5745208444. The cubic root of 63402593 is about 398.7515093151.

The spelling of 63402593 in words is "sixty-three million, four hundred two thousand, five hundred ninety-three".