63365287 has 2 divisors, whose sum is σ = 63365288. Its totient is φ = 63365286.

The previous prime is 63365257. The next prime is 63365321. The reversal of 63365287 is 78256336.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63365287 - 2¹¹ = 63363239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63365257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31682643 + 31682644.

It is an arithmetic number, because the mean of its divisors is an integer number (31682644).

Almost surely, 2^63365287 is an apocalyptic number.

63365287 is a deficient number, since it is larger than the sum of its proper divisors (1).

63365287 is an equidigital number, since it uses as much as digits as its factorization.

63365287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 63365287 is about 7960.2315921084. The cubic root of 63365287 is about 398.6732856879.

The spelling of 63365287 in words is "sixty-three million, three hundred sixty-five thousand, two hundred eighty-seven".