2151252132 has 48 divisors (see below), whose sum is σ = 5232427200. Its totient is φ = 687057280.

The previous prime is 2151252127. The next prime is 2151252137. The reversal of 2151252132 is 2312521512.

It is an interprime number because it is at equal distance from previous prime (2151252127) and next prime (2151252137).

It is not an unprimeable number, because it can be changed into a prime (2151252137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21994 + ... + 69182.

It is an arithmetic number, because the mean of its divisors is an integer number (109008900).

Almost surely, 2^2151252132 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 2151252132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616213600).

2151252132 is an abundant number, since it is smaller than the sum of its proper divisors (3081175068).

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

2151252132 is a wasteful number, since it uses less digits than its factorization.

2151252132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47356 (or 47354 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 2151252132 is about 46381.5925987886. The cubic root of 2151252132 is about 1290.9133871341.

Adding to 2151252132 its reverse (2312521512), we get a palindrome (4463773644).

The spelling of 2151252132 in words is "two billion, one hundred fifty-one million, two hundred fifty-two thousand, one hundred thirty-two".