250505012 has 12 divisors (see below), whose sum is σ = 441731136. Its totient is φ = 124296120.

The previous prime is 250504997. The next prime is 250505041. The reversal of 250505012 is 210505052.

It is a super-2 number, since 2×250505012² = 125505522074240288, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 238508 + ... + 239555.

It is an arithmetic number, because the mean of its divisors is an integer number (36810928).

Almost surely, 2^250505012 is an apocalyptic number.

It is an amenable number.

250505012 is a deficient number, since it is larger than the sum of its proper divisors (191226124).

250505012 is a wasteful number, since it uses less digits than its factorization.

250505012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478198 (or 478196 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 250505012 is about 15827.3501256527. The cubic root of 250505012 is about 630.3844231434.

The spelling of 250505012 in words is "two hundred fifty million, five hundred five thousand, twelve".