1578252 has 48 divisors (see below), whose sum is σ = 4051712. Its totient is φ = 475200.

The previous prime is 1578221. The next prime is 1578257. The reversal of 1578252 is 2528751.

It is not an unprimeable number, because it can be changed into a prime (1578257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10377 + ... + 10527.

2^1578252 is an apocalyptic number.

1578252 is a gapful number since it is divisible by the number (12) 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 1578252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025856).

1578252 is an abundant number, since it is smaller than the sum of its proper divisors (2473460).

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

1578252 is a wasteful number, since it uses less digits than its factorization.

1578252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 236 counting only the distinct ones).

The product of its digits is 5600, while the sum is 30.

The square root of 1578252 is about 1256.2849995125. The cubic root of 1578252 is about 116.4283607279.

It can be divided in two parts, 1578 and 252, that added together give a triangular number (1830 = T₆₀).

The spelling of 1578252 in words is "one million, five hundred seventy-eight thousand, two hundred fifty-two".