425441025 has 48 divisors (see below), whose sum is σ = 784681920. Its totient is φ = 225993600.

The previous prime is 425441021. The next prime is 425441063. The reversal of 425441025 is 520144524.

It is not a de Polignac number, because 425441025 - 2² = 425441021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 425441025.

It is not an unprimeable number, because it can be changed into a prime (425441021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 188554 + ... + 190796.

It is an arithmetic number, because the mean of its divisors is an integer number (16347540).

Almost surely, 2^425441025 is an apocalyptic number.

425441025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425441025 is a deficient number, since it is larger than the sum of its proper divisors (359240895).

425441025 is a wasteful number, since it uses less digits than its factorization.

425441025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2532 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The square root of 425441025 is about 20626.2217819939. The cubic root of 425441025 is about 752.1072736518.

Adding to 425441025 its reverse (520144524), we get a palindrome (945585549).

The spelling of 425441025 in words is "four hundred twenty-five million, four hundred forty-one thousand, twenty-five".