25309132532 has 48 divisors (see below), whose sum is σ = 47359468800. Its totient is φ = 11814015360.

The previous prime is 25309132531. The next prime is 25309132553. The reversal of 25309132532 is 23523190352.

It is a junction number, because it is equal to n+sod(n) for n = 25309132492 and 25309132501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25309132531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387173 + ... + 447795.

It is an arithmetic number, because the mean of its divisors is an integer number (986655600).

Almost surely, 2^25309132532 is an apocalyptic number.

It is an amenable number.

25309132532 is a deficient number, since it is larger than the sum of its proper divisors (22050336268).

25309132532 is a wasteful number, since it uses less digits than its factorization.

25309132532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60776 (or 60774 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

The spelling of 25309132532 in words is "twenty-five billion, three hundred nine million, one hundred thirty-two thousand, five hundred thirty-two".