259371155 has 4 divisors (see below), whose sum is σ = 311245392. Its totient is φ = 207496920.

The previous prime is 259371143. The next prime is 259371163. The reversal of 259371155 is 551173952.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 259371155 - 2¹⁰ = 259370131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25937111 + ... + 25937120.

It is an arithmetic number, because the mean of its divisors is an integer number (77811348).

Almost surely, 2^259371155 is an apocalyptic number.

259371155 is a deficient number, since it is larger than the sum of its proper divisors (51874237).

259371155 is an equidigital number, since it uses as much as digits as its factorization.

259371155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51874236.

The product of its digits is 47250, while the sum is 38.

The square root of 259371155 is about 16105.0040360132. The cubic root of 259371155 is about 637.7354496185.

The spelling of 259371155 in words is "two hundred fifty-nine million, three hundred seventy-one thousand, one hundred fifty-five".