245163287 has 2 divisors, whose sum is σ = 245163288. Its totient is φ = 245163286.

The previous prime is 245163271. The next prime is 245163311. The reversal of 245163287 is 782361542.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 245163287 - 2⁴ = 245163271 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 245163287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245163257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122581643 + 122581644.

It is an arithmetic number, because the mean of its divisors is an integer number (122581644).

Almost surely, 2^245163287 is an apocalyptic number.

245163287 is a deficient number, since it is larger than the sum of its proper divisors (1).

245163287 is an equidigital number, since it uses as much as digits as its factorization.

245163287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 80640, while the sum is 38.

The square root of 245163287 is about 15657.6909855828. The cubic root of 245163287 is about 625.8714559119.

The spelling of 245163287 in words is "two hundred forty-five million, one hundred sixty-three thousand, two hundred eighty-seven".