25250783259 has 16 divisors (see below), whose sum is σ = 36266983200. Its totient is φ = 15534894336.

The previous prime is 25250783249. The next prime is 25250783263. The reversal of 25250783259 is 95238705252.

It is not a de Polignac number, because 25250783259 - 2⁸ = 25250783003 is a prime.

It is a super-2 number, since 2×25250783259² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25250783249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70837 + ... + 235625.

It is an arithmetic number, because the mean of its divisors is an integer number (2266686450).

Almost surely, 2^25250783259 is an apocalyptic number.

25250783259 is a deficient number, since it is larger than the sum of its proper divisors (11016199941).

25250783259 is a wasteful number, since it uses less digits than its factorization.

25250783259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168734.

The product of its (nonzero) digits is 1512000, while the sum is 48.

The spelling of 25250783259 in words is "twenty-five billion, two hundred fifty million, seven hundred eighty-three thousand, two hundred fifty-nine".