250505323130 has 32 divisors (see below), whose sum is σ = 462046869648. Its totient is φ = 97728652800.

The previous prime is 250505323121. The next prime is 250505323153. The reversal of 250505323130 is 31323505052.

It can be written as a sum of positive squares in 8 ways, for example, as 53194348321 + 197310974809 = 230639^2 + 444197^2 .

It is a junction number, because it is equal to n+sod(n) for n = 250505323093 and 250505323102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292360 + ... + 1473500.

Almost surely, 2^250505323130 is an apocalyptic number.

250505323130 is a deficient number, since it is larger than the sum of its proper divisors (211541546518).

250505323130 is a wasteful number, since it uses less digits than its factorization.

250505323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184562.

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 250505323130 its reverse (31323505052), we get a palindrome (281828828182).

The spelling of 250505323130 in words is "two hundred fifty billion, five hundred five million, three hundred twenty-three thousand, one hundred thirty".