425510025 has 24 divisors (see below), whose sum is σ = 704877504. Its totient is φ = 226497600.

The previous prime is 425510021. The next prime is 425510039. The reversal of 425510025 is 520015524.

It is a happy number.

It is not a de Polignac number, because 425510025 - 2² = 425510021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 425509977 and 425510004.

It is not an unprimeable number, because it can be changed into a prime (425510021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35332 + ... + 45818.

It is an arithmetic number, because the mean of its divisors is an integer number (29369896).

Almost surely, 2^425510025 is an apocalyptic number.

It is an amenable number.

425510025 is a deficient number, since it is larger than the sum of its proper divisors (279367479).

425510025 is a wasteful number, since it uses less digits than its factorization.

425510025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041 (or 11036 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 425510025 is about 20627.8943423705. The cubic root of 425510025 is about 752.1479315366.

Adding to 425510025 its reverse (520015524), we get a palindrome (945525549).

The spelling of 425510025 in words is "four hundred twenty-five million, five hundred ten thousand, twenty-five".