25325242501 has 8 divisors (see below), whose sum is σ = 27282659040. Its totient is φ = 23369157552.

The previous prime is 25325242487. The next prime is 25325242507. The reversal of 25325242501 is 10524252352.

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

It is not a de Polignac number, because 25325242501 - 2¹⁹ = 25324718213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25325242507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 293215 + ... + 369628.

It is an arithmetic number, because the mean of its divisors is an integer number (3410332380).

Almost surely, 2^25325242501 is an apocalyptic number.

It is an amenable number.

25325242501 is a deficient number, since it is larger than the sum of its proper divisors (1957416539).

25325242501 is a wasteful number, since it uses less digits than its factorization.

25325242501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665795.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 25325242501 its reverse (10524252352), we get a palindrome (35849494853).

The spelling of 25325242501 in words is "twenty-five billion, three hundred twenty-five million, two hundred forty-two thousand, five hundred one".