259435995 has 32 divisors (see below), whose sum is σ = 510892032. Its totient is φ = 109475712.

The previous prime is 259435991. The next prime is 259436027. The reversal of 259435995 is 599534952.

It is not a de Polignac number, because 259435995 - 2² = 259435991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259435991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93667 + ... + 96396.

It is an arithmetic number, because the mean of its divisors is an integer number (15965376).

Almost surely, 2^259435995 is an apocalyptic number.

259435995 is a deficient number, since it is larger than the sum of its proper divisors (251456037).

259435995 is a wasteful number, since it uses less digits than its factorization.

259435995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190091.

The product of its digits is 2187000, while the sum is 51.

The square root of 259435995 is about 16107.0169491436. The cubic root of 259435995 is about 637.7885875260.

The spelling of 259435995 in words is "two hundred fifty-nine million, four hundred thirty-five thousand, nine hundred ninety-five".