259297963 has 2 divisors, whose sum is σ = 259297964. Its totient is φ = 259297962.

The previous prime is 259297939. The next prime is 259297999. The reversal of 259297963 is 369792952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 259297963 - 2⁵ = 259297931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 259297963.

It is not a weakly prime, because it can be changed into another prime (259297163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129648981 + 129648982.

It is an arithmetic number, because the mean of its divisors is an integer number (129648982).

Almost surely, 2^259297963 is an apocalyptic number.

259297963 is a deficient number, since it is larger than the sum of its proper divisors (1).

259297963 is an equidigital number, since it uses as much as digits as its factorization.

259297963 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1837080, while the sum is 52.

The square root of 259297963 is about 16102.7315384689. The cubic root of 259297963 is about 637.6754564088.

The spelling of 259297963 in words is "two hundred fifty-nine million, two hundred ninety-seven thousand, nine hundred sixty-three".