811472253 has 8 divisors (see below), whose sum is σ = 1100301600. Its totient is φ = 531812208.

The previous prime is 811472153. The next prime is 811472293. The reversal of 811472253 is 352274118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 811472253 - 2¹⁰ = 811471229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (811472293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292118 + ... + 2292471.

It is an arithmetic number, because the mean of its divisors is an integer number (137537700).

Almost surely, 2^811472253 is an apocalyptic number.

It is an amenable number.

811472253 is a deficient number, since it is larger than the sum of its proper divisors (288829347).

811472253 is a wasteful number, since it uses less digits than its factorization.

811472253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584651.

The product of its digits is 13440, while the sum is 33.

The square root of 811472253 is about 28486.3520479545. The cubic root of 811472253 is about 932.7341793864.

The spelling of 811472253 in words is "eight hundred eleven million, four hundred seventy-two thousand, two hundred fifty-three".