26051574025 has 27 divisors (see below), whose sum is σ = 34113723111. Its totient is φ = 19732729680.

The previous prime is 26051574019. The next prime is 26051574047. The reversal of 26051574025 is 52047515062.

The square root of 26051574025 is 161405.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 9378566649 + 16673007376 = 96843^2 + 129124^2 .

It is not a de Polignac number, because 26051574025 - 2¹⁷ = 26051442953 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15332626 + ... + 15334324.

Almost surely, 2^26051574025 is an apocalyptic number.

26051574025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26051574025 is the 161405-th square number.

26051574025 is the 80703-rd centered octagonal number.

It is an amenable number.

26051574025 is a deficient number, since it is larger than the sum of its proper divisors (8062149086).

26051574025 is an frugal number, since it uses more digits than its factorization.

26051574025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446 (or 1723 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 26051574025 in words is "twenty-six billion, fifty-one million, five hundred seventy-four thousand, twenty-five".