259493097 has 4 divisors (see below), whose sum is σ = 345990800. Its totient is φ = 172995396.

The previous prime is 259493081. The next prime is 259493111. The reversal of 259493097 is 790394952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 259493097 - 2⁴ = 259493081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (259493057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43248847 + ... + 43248852.

It is an arithmetic number, because the mean of its divisors is an integer number (86497700).

Almost surely, 2^259493097 is an apocalyptic number.

It is an amenable number.

259493097 is a deficient number, since it is larger than the sum of its proper divisors (86497703).

259493097 is an equidigital number, since it uses as much as digits as its factorization.

259493097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86497702.

The product of its (nonzero) digits is 612360, while the sum is 48.

The square root of 259493097 is about 16108.7894331014. The cubic root of 259493097 is about 637.8353766288.

The spelling of 259493097 in words is "two hundred fifty-nine million, four hundred ninety-three thousand, ninety-seven".