1525432552 has 64 divisors (see below), whose sum is σ = 3359260800. Its totient is φ = 635765760.

The previous prime is 1525432549. The next prime is 1525432637. The reversal of 1525432552 is 2552345251.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 869308 + ... + 871060.

It is an arithmetic number, because the mean of its divisors is an integer number (52488450).

Almost surely, 2^1525432552 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 1525432552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1679630400).

1525432552 is an abundant number, since it is smaller than the sum of its proper divisors (1833828248).

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

1525432552 is a wasteful number, since it uses less digits than its factorization.

1525432552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2186 (or 2182 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 1525432552 is about 39056.7862477188. The cubic root of 1525432552 is about 1151.1475758234.

The spelling of 1525432552 in words is "one billion, five hundred twenty-five million, four hundred thirty-two thousand, five hundred fifty-two".