1489752252 has 36 divisors (see below), whose sum is σ = 3771902680. Its totient is φ = 495774432.

The previous prime is 1489752233. The next prime is 1489752269. The reversal of 1489752252 is 2522579841.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 1489752198 and 1489752207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11143 + ... + 55710.

Almost surely, 2^1489752252 is an apocalyptic number.

1489752252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1489752252 is an abundant number, since it is smaller than the sum of its proper divisors (2282150428).

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

1489752252 is a wasteful number, since it uses less digits than its factorization.

1489752252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67482 (or 67477 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 1489752252 is about 38597.3088699199. The cubic root of 1489752252 is about 1142.1014516418.

The spelling of 1489752252 in words is "one billion, four hundred eighty-nine million, seven hundred fifty-two thousand, two hundred fifty-two".