259972443 has 36 divisors (see below), whose sum is σ = 402645880. Its totient is φ = 165774672.

The previous prime is 259972441. The next prime is 259972451. The reversal of 259972443 is 344279952.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 259972443 - 2¹ = 259972441 is a prime.

It is a super-2 number, since 2×259972443² = 135171342238776498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259972441) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2429596 + ... + 2429702.

Almost surely, 2^259972443 is an apocalyptic number.

259972443 is a deficient number, since it is larger than the sum of its proper divisors (142673437).

259972443 is an equidigital number, since it uses as much as digits as its factorization.

259972443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 139 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 259972443 is about 16123.6609676587. The cubic root of 259972443 is about 638.2278800289.

The spelling of 259972443 in words is "two hundred fifty-nine million, nine hundred seventy-two thousand, four hundred forty-three".