25338026825 has 6 divisors (see below), whose sum is σ = 31419153294. Its totient is φ = 20270421440.

The previous prime is 25338026803. The next prime is 25338026849. The reversal of 25338026825 is 52862083352.

It can be written as a sum of positive squares in 3 ways, for example, as 27762361 + 25310264464 = 5269^2 + 159092^2 .

It is not a de Polignac number, because 25338026825 - 2²⁸ = 25069591369 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506760512 + ... + 506760561.

It is an arithmetic number, because the mean of its divisors is an integer number (5236525549).

Almost surely, 2^25338026825 is an apocalyptic number.

25338026825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25338026825 is a deficient number, since it is larger than the sum of its proper divisors (6081126469).

25338026825 is a wasteful number, since it uses less digits than its factorization.

25338026825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013521083 (or 1013521078 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 44.

The spelling of 25338026825 in words is "twenty-five billion, three hundred thirty-eight million, twenty-six thousand, eight hundred twenty-five".