259942803 has 16 divisors (see below), whose sum is σ = 366024960. Its totient is φ = 163759904.

The previous prime is 259942799. The next prime is 259942817. The reversal of 259942803 is 308249952.

It is a cyclic number.

It is not a de Polignac number, because 259942803 - 2² = 259942799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259942883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16968 + ... + 28421.

It is an arithmetic number, because the mean of its divisors is an integer number (22876560).

Almost surely, 2^259942803 is an apocalyptic number.

259942803 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

259942803 is a deficient number, since it is larger than the sum of its proper divisors (106082157).

259942803 is a wasteful number, since it uses less digits than its factorization.

259942803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45498.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 259942803 is about 16122.7417953647. The cubic root of 259942803 is about 638.2036238768.

The spelling of 259942803 in words is "two hundred fifty-nine million, nine hundred forty-two thousand, eight hundred three".