425389025 has 24 divisors (see below), whose sum is σ = 553625280. Its totient is φ = 323618240.

The previous prime is 425389001. The next prime is 425389049. The reversal of 425389025 is 520983524.

It is an interprime number because it is at equal distance from previous prime (425389001) and next prime (425389049).

It is not a de Polignac number, because 425389025 - 2¹⁶ = 425323489 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 425389025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100859 + ... + 104991.

It is an arithmetic number, because the mean of its divisors is an integer number (23067720).

Almost surely, 2^425389025 is an apocalyptic number.

It is an amenable number.

425389025 is a deficient number, since it is larger than the sum of its proper divisors (128236255).

425389025 is a wasteful number, since it uses less digits than its factorization.

425389025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4345 (or 4340 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 425389025 is about 20624.9612120847. The cubic root of 425389025 is about 752.0766300220.

The spelling of 425389025 in words is "four hundred twenty-five million, three hundred eighty-nine thousand, twenty-five".