1525552 has 40 divisors (see below), whose sum is σ = 3455136. Its totient is φ = 638976.

The previous prime is 1525507. The next prime is 1525561. The reversal of 1525552 is 2555251.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5808 + ... + 6064.

2^1525552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1525552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1727568).

1525552 is an abundant number, since it is smaller than the sum of its proper divisors (1929584).

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

1525552 is a wasteful number, since it uses less digits than its factorization.

1525552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 319 counting only the distinct ones).

The product of its digits is 2500, while the sum is 25.

The square root of 1525552 is about 1235.1323815689. The cubic root of 1525552 is about 115.1177621659.

The spelling of 1525552 in words is "one million, five hundred twenty-five thousand, five hundred fifty-two".