425130525 has 60 divisors (see below), whose sum is σ = 793336500. Its totient is φ = 225054720.

The previous prime is 425130523. The next prime is 425130539. The reversal of 425130525 is 525031524.

It is a happy number.

425130525 is a `hidden beast` number, since 4 + 2 + 5 + 130 + 525 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 174794841 + 250335684 = 13221^2 + 15822^2 .

It is not a de Polignac number, because 425130525 - 2¹ = 425130523 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425130523) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 301021 + ... + 302429.

It is an arithmetic number, because the mean of its divisors is an integer number (13222275).

Almost surely, 2^425130525 is an apocalyptic number.

425130525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425130525 is a deficient number, since it is larger than the sum of its proper divisors (368205975).

425130525 is a wasteful number, since it uses less digits than its factorization.

425130525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580 (or 1566 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 425130525 is about 20618.6935813111. The cubic root of 425130525 is about 751.9242587487.

Subtracting 425130525 from its reverse (525031524), we obtain a palindrome (99900999).

The spelling of 425130525 in words is "four hundred twenty-five million, one hundred thirty thousand, five hundred twenty-five".