1539252 has 108 divisors (see below), whose sum is σ = 4796064. Its totient is φ = 411840.

The previous prime is 1539227. The next prime is 1539253. The reversal of 1539252 is 2529351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1539253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66913 + ... + 66935.

It is an arithmetic number, because the mean of its divisors is an integer number (44408).

2^1539252 is an apocalyptic number.

1539252 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 1539252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2398032).

1539252 is an abundant number, since it is smaller than the sum of its proper divisors (3256812).

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

1539252 is a wasteful number, since it uses less digits than its factorization.

1539252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70 (or 52 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1539252 is about 1240.6659502058. The cubic root of 1539252 is about 115.4613352337.

Subtracting 1539252 from its reverse (2529351), we obtain a palindrome (990099).

The spelling of 1539252 in words is "one million, five hundred thirty-nine thousand, two hundred fifty-two".