815252452 has 12 divisors (see below), whose sum is σ = 1630504960. Its totient is φ = 349393896.

The previous prime is 815252423. The next prime is 815252461. The reversal of 815252452 is 254252518.

815252452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

815252452 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14558052 + ... + 14558107.

Almost surely, 2^815252452 is an apocalyptic number.

It is an amenable number.

815252452 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

815252452 is a wasteful number, since it uses less digits than its factorization.

815252452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29116170 (or 29116168 counting only the distinct ones).

The product of its digits is 32000, while the sum is 34.

The square root of 815252452 is about 28552.6260088280. The cubic root of 815252452 is about 934.1802998266.

The spelling of 815252452 in words is "eight hundred fifteen million, two hundred fifty-two thousand, four hundred fifty-two".