251204 has 6 divisors (see below), whose sum is σ = 439614. Its totient is φ = 125600.

The previous prime is 251203. The next prime is 251219. The reversal of 251204 is 402152.

251204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 160000 + 91204 = 400^2 + 302^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 251204.

It is not an unprimeable number, because it can be changed into a prime (251201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31397 + ... + 31404.

It is an arithmetic number, because the mean of its divisors is an integer number (73269).

2²⁵¹²⁰⁴ is an apocalyptic number.

It is an amenable number.

251204 is a deficient number, since it is larger than the sum of its proper divisors (188410).

251204 is a wasteful number, since it uses less digits than its factorization.

251204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62805 (or 62803 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 251204 is about 501.2025538642. The cubic root of 251204 is about 63.0970202438.

Adding to 251204 its reverse (402152), we get a palindrome (653356).

The spelling of 251204 in words is "two hundred fifty-one thousand, two hundred four".