2533365136 has 120 divisors (see below), whose sum is σ = 5366831352. Its totient is φ = 1157068800.

The previous prime is 2533365103. The next prime is 2533365157. The reversal of 2533365136 is 6315633352.

It can be written as a sum of positive squares in 4 ways, for example, as 301369600 + 2231995536 = 17360^2 + 47244^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 2533365095 and 2533365104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34703596 + ... + 34703668.

Almost surely, 2^2533365136 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 2533365136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2683415676).

2533365136 is an abundant number, since it is smaller than the sum of its proper divisors (2833466216).

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

2533365136 is a wasteful number, since it uses less digits than its factorization.

2533365136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 204 counting only the distinct ones).

The product of its digits is 145800, while the sum is 37.

The square root of 2533365136 is about 50332.5454949380. The cubic root of 2533365136 is about 1363.2199396499.

Adding to 2533365136 its reverse (6315633352), we get a palindrome (8848998488).

The spelling of 2533365136 in words is "two billion, five hundred thirty-three million, three hundred sixty-five thousand, one hundred thirty-six".