1801767252 has 48 divisors (see below), whose sum is σ = 4374881280. Its totient is φ = 576669408.

The previous prime is 1801767229. The next prime is 1801767257. The reversal of 1801767252 is 2527671081.

It is a self number, because there is not a number n which added to its sum of digits gives 1801767252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801767257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853 + ... + 60035.

It is an arithmetic number, because the mean of its divisors is an integer number (91143360).

Almost surely, 2^1801767252 is an apocalyptic number.

1801767252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1801767252 is an abundant number, since it is smaller than the sum of its proper divisors (2573114028).

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

1801767252 is a wasteful number, since it uses less digits than its factorization.

1801767252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59292 (or 59290 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 1801767252 is about 42447.2290261685. The cubic root of 1801767252 is about 1216.8383719968.

The spelling of 1801767252 in words is "one billion, eight hundred one million, seven hundred sixty-seven thousand, two hundred fifty-two".