25315052254 has 8 divisors (see below), whose sum is σ = 37976364288. Its totient is φ = 12656264160.

The previous prime is 25315052239. The next prime is 25315052353. The reversal of 25315052254 is 45225051352.

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

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 in 3 ways as a sum of consecutive naturals, for example, 605707 + ... + 646150.

It is an arithmetic number, because the mean of its divisors is an integer number (4747045536).

Almost surely, 2^25315052254 is an apocalyptic number.

25315052254 is a deficient number, since it is larger than the sum of its proper divisors (12661312034).

25315052254 is a wasteful number, since it uses less digits than its factorization.

25315052254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261970.

The product of its (nonzero) digits is 60000, while the sum is 34.

The spelling of 25315052254 in words is "twenty-five billion, three hundred fifteen million, fifty-two thousand, two hundred fifty-four".