25313253502 has 8 divisors (see below), whose sum is σ = 38852900856. Its totient is φ = 12362286552.

The previous prime is 25313253499. The next prime is 25313253503. The reversal of 25313253502 is 20535231352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25313253503) 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 3 ways as a sum of consecutive naturals, for example, 147169993 + ... + 147170164.

It is an arithmetic number, because the mean of its divisors is an integer number (4856612607).

Almost surely, 2^25313253502 is an apocalyptic number.

25313253502 is a deficient number, since it is larger than the sum of its proper divisors (13539647354).

25313253502 is a wasteful number, since it uses less digits than its factorization.

25313253502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294340202.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 25313253502 its reverse (20535231352), we get a palindrome (45848484854).

The spelling of 25313253502 in words is "twenty-five billion, three hundred thirteen million, two hundred fifty-three thousand, five hundred two".