259540032225 has 12 divisors (see below), whose sum is σ = 429106186736. Its totient is φ = 138421350480.

The previous prime is 259540032179. The next prime is 259540032233. The reversal of 259540032225 is 522230045952.

It is not a de Polignac number, because 259540032225 - 2⁶ = 259540032161 is a prime.

It is a super-2 number, since 2×259540032225² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1730266807 + ... + 1730266956.

Almost surely, 2^259540032225 is an apocalyptic number.

259540032225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

259540032225 is a deficient number, since it is larger than the sum of its proper divisors (169566154511).

259540032225 is a wasteful number, since it uses less digits than its factorization.

259540032225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3460533776 (or 3460533771 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 259540032225 in words is "two hundred fifty-nine billion, five hundred forty million, thirty-two thousand, two hundred twenty-five".