181077252 has 24 divisors (see below), whose sum is σ = 440884416. Its totient is φ = 57734688.

The previous prime is 181077187. The next prime is 181077263. The reversal of 181077252 is 252770181.

181077252 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327763 + ... + 328314.

It is an arithmetic number, because the mean of its divisors is an integer number (18370184).

Almost surely, 2^181077252 is an apocalyptic number.

181077252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

181077252 is an abundant number, since it is smaller than the sum of its proper divisors (259807164).

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

181077252 is a wasteful number, since it uses less digits than its factorization.

181077252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656107 (or 656105 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 33.

The square root of 181077252 is about 13456.4947887628. The cubic root of 181077252 is about 565.7457477000.

The spelling of 181077252 in words is "one hundred eighty-one million, seventy-seven thousand, two hundred fifty-two".