1532280 has 48 divisors (see below), whose sum is σ = 4637880. Its totient is φ = 404992.

The previous prime is 1532257. The next prime is 1532287. The reversal of 1532280 is 822351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1532287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13504 + ... + 13616.

2^1532280 is an apocalyptic number.

1532280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1532280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2318940).

1532280 is an abundant number, since it is smaller than the sum of its proper divisors (3105600).

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

1532280 is a wasteful number, since it uses less digits than its factorization.

1532280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1532280 is about 1237.8529799617. The cubic root of 1532280 is about 115.2867450431.

Multiplying 1532280 by its product of nonzero digits (480), we get a square (735494400 = 27120²).

The spelling of 1532280 in words is "one million, five hundred thirty-two thousand, two hundred eighty".