32505424425 has 36 divisors (see below), whose sum is σ = 59459587200. Its totient is φ = 16967364960.

The previous prime is 32505424351. The next prime is 32505424453. The reversal of 32505424425 is 52442450523.

32505424425 is a `hidden beast` number, since 3 + 2 + 50 + 542 + 44 + 25 = 666.

It is not a de Polignac number, because 32505424425 - 2¹¹ = 32505422377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32505424425.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1526325 + ... + 1547474.

It is an arithmetic number, because the mean of its divisors is an integer number (1651655200).

Almost surely, 2^32505424425 is an apocalyptic number.

It is an amenable number.

32505424425 is a deficient number, since it is larger than the sum of its proper divisors (26954162775).

32505424425 is a wasteful number, since it uses less digits than its factorization.

32505424425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3073862 (or 3073854 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

Adding to 32505424425 its reverse (52442450523), we get a palindrome (84947874948).

The spelling of 32505424425 in words is "thirty-two billion, five hundred five million, four hundred twenty-four thousand, four hundred twenty-five".