425893286025 has 81 divisors (see below), whose sum is σ = 770812241589. Its totient is φ = 224788487040.

The previous prime is 425893285999. The next prime is 425893286083. The reversal of 425893286025 is 520682398524.

The square root of 425893286025 is 652605.

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

425893286025 is a `hidden beast` number, since 4 + 2 + 5 + 8 + 9 + 3 + 28 + 602 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 239258917881 + 186634368144 = 489141^2 + 432012^2 .

It is not a de Polignac number, because 425893286025 - 2⁷ = 425893285897 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1360681269 + ... + 1360681581.

Almost surely, 2^425893286025 is an apocalyptic number.

425893286025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

425893286025 is the 652605-th square number.

425893286025 is the 326303-rd centered octagonal number.

It is an amenable number.

425893286025 is a deficient number, since it is larger than the sum of its proper divisors (344918955564).

425893286025 is an equidigital number, since it uses as much as digits as its factorization.

425893286025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 425893286025 in words is "four hundred twenty-five billion, eight hundred ninety-three million, two hundred eighty-six thousand, twenty-five".