287495963 has 2 divisors, whose sum is σ = 287495964. Its totient is φ = 287495962.

The previous prime is 287495951. The next prime is 287496043. The reversal of 287495963 is 369594782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 287495963 - 2²⁰ = 286447387 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (287495933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143747981 + 143747982.

It is an arithmetic number, because the mean of its divisors is an integer number (143747982).

Almost surely, 2^287495963 is an apocalyptic number.

287495963 is a deficient number, since it is larger than the sum of its proper divisors (1).

287495963 is an equidigital number, since it uses as much as digits as its factorization.

287495963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 53.

The square root of 287495963 is about 16955.7059127599. The cubic root of 287495963 is about 659.9999716866. Note that the first 4 decimals are identical.

The spelling of 287495963 in words is "two hundred eighty-seven million, four hundred ninety-five thousand, nine hundred sixty-three".