250006442 has 32 divisors (see below), whose sum is σ = 442326528. Its totient is φ = 103758336.

The previous prime is 250006391. The next prime is 250006451. The reversal of 250006442 is 244600052.

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 15 ways as a sum of consecutive naturals, for example, 61868 + ... + 65784.

It is an arithmetic number, because the mean of its divisors is an integer number (13822704).

Almost surely, 2^250006442 is an apocalyptic number.

250006442 is a deficient number, since it is larger than the sum of its proper divisors (192320086).

250006442 is a wasteful number, since it uses less digits than its factorization.

250006442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 250006442 is about 15811.5920134565. The cubic root of 250006442 is about 629.9659358419.

Adding to 250006442 its reverse (244600052), we get a palindrome (494606494).

The spelling of 250006442 in words is "two hundred fifty million, six thousand, four hundred forty-two".