250000002500 has 60 divisors (see below), whose sum is σ = 578858927724. Its totient is φ = 94117632000.

The previous prime is 250000002493. The next prime is 250000002523. The reversal of 250000002500 is 5200000052.

It can be written as a sum of positive squares in 10 ways, for example, as 122063589376 + 127936413124 = 349376^2 + 357682^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2898677 + ... + 2983676.

Almost surely, 2^250000002500 is an apocalyptic number.

250000002500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250000002500 is an abundant number, since it is smaller than the sum of its proper divisors (328858925224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

250000002500 is a wasteful number, since it uses less digits than its factorization.

250000002500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5882394 (or 5882377 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

Adding to 250000002500 its reverse (5200000052), we get a palindrome (255200002552).

It can be divided in two parts, 25000000 and 2500, that multiplied together give a 4-th power (62500000000 = 500⁴).

The spelling of 250000002500 in words is "two hundred fifty billion, two thousand, five hundred".