25025250254 has 4 divisors (see below), whose sum is σ = 37537875384. Its totient is φ = 12512625126.

The previous prime is 25025250233. The next prime is 25025250269. The reversal of 25025250254 is 45205252052.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25025250254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256312562 + ... + 6256312565.

It is an arithmetic number, because the mean of its divisors is an integer number (9384468846).

Almost surely, 2^25025250254 is an apocalyptic number.

25025250254 is a deficient number, since it is larger than the sum of its proper divisors (12512625130).

25025250254 is a wasteful number, since it uses less digits than its factorization.

25025250254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12512625129.

The product of its (nonzero) digits is 40000, while the sum is 32.

The spelling of 25025250254 in words is "twenty-five billion, twenty-five million, two hundred fifty thousand, two hundred fifty-four".