1525450332 has 24 divisors (see below), whose sum is σ = 4067867776. Its totient is φ = 435842928.

The previous prime is 1525450331. The next prime is 1525450403. The reversal of 1525450332 is 2330545251.

It is a self number, because there is not a number n which added to its sum of digits gives 1525450332.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525450331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9079978 + ... + 9080145.

Almost surely, 2^1525450332 is an apocalyptic number.

1525450332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1525450332 is an abundant number, since it is smaller than the sum of its proper divisors (2542417444).

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

1525450332 is a wasteful number, since it uses less digits than its factorization.

1525450332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18160137 (or 18160135 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 1525450332 is about 39057.0138643496. The cubic root of 1525450332 is about 1151.1520482869.

Adding to 1525450332 its reverse (2330545251), we get a palindrome (3855995583).

The spelling of 1525450332 in words is "one billion, five hundred twenty-five million, four hundred fifty thousand, three hundred thirty-two".