425505525 has 12 divisors (see below), whose sum is σ = 703502592. Its totient is φ = 226936240.

The previous prime is 425505449. The next prime is 425505541. The reversal of 425505525 is 525505524.

It is not a de Polignac number, because 425505525 - 2⁷ = 425505397 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 2836629 + ... + 2836778.

It is an arithmetic number, because the mean of its divisors is an integer number (58625216).

Almost surely, 2^425505525 is an apocalyptic number.

It is an amenable number.

425505525 is a deficient number, since it is larger than the sum of its proper divisors (277997067).

425505525 is a wasteful number, since it uses less digits than its factorization.

425505525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5673420 (or 5673415 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 425505525 is about 20627.7852664798. The cubic root of 425505525 is about 752.1452800694.

Subtracting 425505525 from its reverse (525505524), we obtain a palindrome (99999999).

The spelling of 425505525 in words is "four hundred twenty-five million, five hundred five thousand, five hundred twenty-five".