25254000242 has 8 divisors (see below), whose sum is σ = 40109294556. Its totient is φ = 11884235392.

The previous prime is 25254000227. The next prime is 25254000283. The reversal of 25254000242 is 24200045252.

It can be written as a sum of positive squares in 2 ways, for example, as 24019110361 + 1234889881 = 154981^2 + 35141^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 371382323 + ... + 371382390.

Almost surely, 2^25254000242 is an apocalyptic number.

25254000242 is a deficient number, since it is larger than the sum of its proper divisors (14855294314).

25254000242 is a wasteful number, since it uses less digits than its factorization.

25254000242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742764732.

The product of its (nonzero) digits is 6400, while the sum is 26.

Adding to 25254000242 its reverse (24200045252), we get a palindrome (49454045494).

The spelling of 25254000242 in words is "twenty-five billion, two hundred fifty-four million, two hundred forty-two", and thus it is an aban number.