25343824090225 has 9 divisors (see below), whose sum is σ = 31426373084353. Its totient is φ = 20275039135120.

The previous prime is 25343824090217. The next prime is 25343824090231. The reversal of 25343824090225 is 52209042834352.

The square root of 25343824090225 is 5034265.

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

It can be written as a sum of positive squares in 4 ways, for example, as 5577121497649 + 19766702592576 = 2361593^2 + 4445976^2 .

It is not a de Polignac number, because 25343824090225 - 2³ = 25343824090217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24667899 + ... + 25674751.

Almost surely, 2^{25343824090225} is an apocalyptic number.

25343824090225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25343824090225 is the 5034265-th square number.

25343824090225 is the 2517133-rd centered octagonal number.

It is an amenable number.

25343824090225 is a deficient number, since it is larger than the sum of its proper divisors (6082548994128).

25343824090225 is an frugal number, since it uses more digits than its factorization.

25343824090225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013716 (or 1006858 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 25343824090225 in words is "twenty-five trillion, three hundred forty-three billion, eight hundred twenty-four million, ninety thousand, two hundred twenty-five".