25250002487 has 8 divisors (see below), whose sum is σ = 25677225600. Its totient is φ = 24823208160.

The previous prime is 25250002469. The next prime is 25250002501. The reversal of 25250002487 is 78420005252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25250002487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25250002087) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12698 + ... + 225080.

It is an arithmetic number, because the mean of its divisors is an integer number (3209653200).

Almost surely, 2^25250002487 is an apocalyptic number.

25250002487 is a deficient number, since it is larger than the sum of its proper divisors (427223113).

25250002487 is a wasteful number, since it uses less digits than its factorization.

25250002487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214393.

The product of its (nonzero) digits is 44800, while the sum is 35.

The spelling of 25250002487 in words is "twenty-five billion, two hundred fifty million, two thousand, four hundred eighty-seven".