250998 has 16 divisors (see below), whose sum is σ = 547776. Its totient is φ = 76040.

The previous prime is 250993. The next prime is 251003. The reversal of 250998 is 899052.

It is an interprime number because it is at equal distance from previous prime (250993) and next prime (251003).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1836 + ... + 1967.

It is an arithmetic number, because the mean of its divisors is an integer number (34236).

2²⁵⁰⁹⁹⁸ is an apocalyptic number.

250998 is an abundant number, since it is smaller than the sum of its proper divisors (296778).

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

250998 is a wasteful number, since it uses less digits than its factorization.

250998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3819.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 250998 is about 500.9970059791. The cubic root of 250998 is about 63.0797679432.

The spelling of 250998 in words is "two hundred fifty thousand, nine hundred ninety-eight".