395612298900025 has 27 divisors (see below), whose sum is σ = 492180162100879. Its totient is φ = 315447523298000.

The previous prime is 395612298899971. The next prime is 395612298900037. The reversal of 395612298900025 is 520009892216593.

The square root of 395612298900025 is 19890005.

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., 142420427604009 + 253191871296016 = 11934003^2 + 15912004^2 .

It is not a de Polignac number, because 395612298900025 - 2⁹ = 395612298899513 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, 30928951380 + ... + 30928964170.

Almost surely, 2^{395612298900025} is an apocalyptic number.

395612298900025 is the 19890005-th square number.

395612298900025 is the 9945003-rd centered octagonal number.

It is an amenable number.

395612298900025 is a deficient number, since it is larger than the sum of its proper divisors (96567863200854).

395612298900025 is an frugal number, since it uses more digits than its factorization.

395612298900025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26214 (or 13107 counting only the distinct ones).

The product of its (nonzero) digits is 20995200, while the sum is 61.

The spelling of 395612298900025 in words is "three hundred ninety-five trillion, six hundred twelve billion, two hundred ninety-eight million, nine hundred thousand, twenty-five".