250000002505 has 32 divisors (see below), whose sum is σ = 328593143808. Its totient is φ = 181085284800.

The previous prime is 250000002493. The next prime is 250000002523. The reversal of 250000002505 is 505200000052.

250000002505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 250000002505 - 2¹⁹ = 249999478217 is a prime.

It is a Duffinian 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 31 ways as a sum of consecutive naturals, for example, 60810400 + ... + 60814510.

It is an arithmetic number, because the mean of its divisors is an integer number (10268535744).

Almost surely, 2^250000002505 is an apocalyptic number.

It is an amenable number.

250000002505 is a deficient number, since it is larger than the sum of its proper divisors (78593141303).

250000002505 is a wasteful number, since it uses less digits than its factorization.

250000002505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8317.

The product of its (nonzero) digits is 500, while the sum is 19.

Adding to 250000002505 its reverse (505200000052), we get a palindrome (755200002557).

The spelling of 250000002505 in words is "two hundred fifty billion, two thousand, five hundred five".