2152533251 has 24 divisors (see below), whose sum is σ = 2566387152. Its totient is φ = 1796748800.

The previous prime is 2152533247. The next prime is 2152533283. The reversal of 2152533251 is 1523352512.

It is not a de Polignac number, because 2152533251 - 2² = 2152533247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152533211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71576 + ... + 97098.

It is an arithmetic number, because the mean of its divisors is an integer number (106932798).

Almost surely, 2^2152533251 is an apocalyptic number.

2152533251 is a deficient number, since it is larger than the sum of its proper divisors (413853901).

2152533251 is a wasteful number, since it uses less digits than its factorization.

2152533251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25603 (or 25592 counting only the distinct ones).

The product of its digits is 9000, while the sum is 29.

The square root of 2152533251 is about 46395.4011837380. The cubic root of 2152533251 is about 1291.1695922618.

Adding to 2152533251 its reverse (1523352512), we get a palindrome (3675885763).

The spelling of 2152533251 in words is "two billion, one hundred fifty-two million, five hundred thirty-three thousand, two hundred fifty-one".