2532165400 has 24 divisors (see below), whose sum is σ = 5887285020. Its totient is φ = 1012866080.

The previous prime is 2532165347. The next prime is 2532165401. The reversal of 2532165400 is 45612352.

It is a super-2 number, since 2×2532165400² = 12823723225914320000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532165401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6330214 + ... + 6330613.

Almost surely, 2^2532165400 is an apocalyptic number.

2532165400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2532165400 is an abundant number, since it is smaller than the sum of its proper divisors (3355119620).

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

2532165400 is a wasteful number, since it uses less digits than its factorization.

2532165400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12660843 (or 12660834 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2532165400 is about 50320.6259897470. The cubic root of 2532165400 is about 1363.0047104725.

Adding to 2532165400 its reverse (45612352), we get a palindrome (2577777752).

The spelling of 2532165400 in words is "two billion, five hundred thirty-two million, one hundred sixty-five thousand, four hundred".