249900050 has 12 divisors (see below), whose sum is σ = 464814186. Its totient is φ = 99960000.

The previous prime is 249900041. The next prime is 249900061. The reversal of 249900050 is 50009942.

It can be written as a sum of positive squares in 3 ways, for example, as 169026001 + 80874049 = 13001^2 + 8993^2 .

It is a junction number, because it is equal to n+sod(n) for n = 249899986 and 249900022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2498951 + ... + 2499050.

Almost surely, 2^249900050 is an apocalyptic number.

249900050 is a deficient number, since it is larger than the sum of its proper divisors (214914136).

249900050 is a wasteful number, since it uses less digits than its factorization.

249900050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998013 (or 4998008 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 249900050 is about 15808.2272883458. The cubic root of 249900050 is about 629.8765610176.

Adding to 249900050 its reverse (50009942), we get a palindrome (299909992).

It can be divided in two parts, 2 and 49900050, that multiplied together give a square (99800100 = 9990²).

The spelling of 249900050 in words is "two hundred forty-nine million, nine hundred thousand, fifty".