25142024254 has 4 divisors (see below), whose sum is σ = 37713036384. Its totient is φ = 12571012126.

The previous prime is 25142024221. The next prime is 25142024267. The reversal of 25142024254 is 45242024152.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6285506062 + ... + 6285506065.

It is an arithmetic number, because the mean of its divisors is an integer number (9428259096).

Almost surely, 2^25142024254 is an apocalyptic number.

25142024254 is a deficient number, since it is larger than the sum of its proper divisors (12571012130).

25142024254 is a wasteful number, since it uses less digits than its factorization.

25142024254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12571012129.

The product of its (nonzero) digits is 25600, while the sum is 31.

The spelling of 25142024254 in words is "twenty-five billion, one hundred forty-two million, twenty-four thousand, two hundred fifty-four".