803211253 has 4 divisors (see below), whose sum is σ = 864996748. Its totient is φ = 741425760.

The previous prime is 803211251. The next prime is 803211259. The reversal of 803211253 is 352112308.

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

It can be written as a sum of positive squares in 2 ways, for example, as 50367409 + 752843844 = 7097^2 + 27438^2 .

It is a cyclic number.

It is not a de Polignac number, because 803211253 - 2¹ = 803211251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803211251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30892728 + ... + 30892753.

It is an arithmetic number, because the mean of its divisors is an integer number (216249187).

Almost surely, 2^803211253 is an apocalyptic number.

It is an amenable number.

803211253 is a deficient number, since it is larger than the sum of its proper divisors (61785495).

803211253 is a wasteful number, since it uses less digits than its factorization.

803211253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61785494.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 803211253 is about 28340.9818637252. The cubic root of 803211253 is about 929.5582181210.

The spelling of 803211253 in words is "eight hundred three million, two hundred eleven thousand, two hundred fifty-three".