25255027500025 has 12 divisors (see below), whose sum is σ = 31358957498092. Its totient is φ = 20176458517440.

The previous prime is 25255027499993. The next prime is 25255027500041. The reversal of 25255027500025 is 52000572055252.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 109987742736 + 25145039757289 = 331644^2 + 5014483^2 .

It is not a de Polignac number, because 25255027500025 - 2⁵ = 25255027499993 is a prime.

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, 689068374 + ... + 689105023.

Almost surely, 2^{25255027500025} is an apocalyptic number.

25255027500025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25255027500025 is a deficient number, since it is larger than the sum of its proper divisors (6103929998067).

25255027500025 is a wasteful number, since it uses less digits than its factorization.

25255027500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378174140 (or 1378174135 counting only the distinct ones).

The product of its (nonzero) digits is 350000, while the sum is 40.

Adding to 25255027500025 its reverse (52000572055252), we get a palindrome (77255599555277).

The spelling of 25255027500025 in words is "twenty-five trillion, two hundred fifty-five billion, twenty-seven million, five hundred thousand, twenty-five".