251882 has 4 divisors (see below), whose sum is σ = 377826. Its totient is φ = 125940.

The previous prime is 251879. The next prime is 251887. The reversal of 251882 is 288152.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 143641 + 108241 = 379^2 + 329^2 .

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (251887) by changing a digit.

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 as a sum of consecutive naturals, namely, 62969 + ... + 62972.

2²⁵¹⁸⁸² is an apocalyptic number.

251882 is a deficient number, since it is larger than the sum of its proper divisors (125944).

251882 is a wasteful number, since it uses less digits than its factorization.

251882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125943.

The product of its digits is 1280, while the sum is 26.

The square root of 251882 is about 501.8784713454. The cubic root of 251882 is about 63.1537355692.

The spelling of 251882 in words is "two hundred fifty-one thousand, eight hundred eighty-two".