803251 has 2 divisors, whose sum is σ = 803252. Its totient is φ = 803250.

The previous prime is 803237. The next prime is 803269. The reversal of 803251 is 152308.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-803251 is a prime.

It is an Ulam number.

803251 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (803651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401625 + 401626.

It is an arithmetic number, because the mean of its divisors is an integer number (401626).

2⁸⁰³²⁵¹ is an apocalyptic number.

803251 is a deficient number, since it is larger than the sum of its proper divisors (1).

803251 is an equidigital number, since it uses as much as digits as its factorization.

803251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 803251 is about 896.2427126621. The cubic root of 803251 is about 92.9573550966.

Adding to 803251 its reverse (152308), we get a palindrome (955559).

The spelling of 803251 in words is "eight hundred three thousand, two hundred fifty-one".