2532128831 has 4 divisors (see below), whose sum is σ = 2591015592. Its totient is φ = 2473242072.

The previous prime is 2532128827. The next prime is 2532128843. The reversal of 2532128831 is 1388212352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2532128831 - 2² = 2532128827 is a prime.

It is a super-2 number, since 2×2532128831² = 12823352833562853122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2532128791 and 2532128800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2532128861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29443316 + ... + 29443401.

It is an arithmetic number, because the mean of its divisors is an integer number (647753898).

Almost surely, 2^2532128831 is an apocalyptic number.

2532128831 is a deficient number, since it is larger than the sum of its proper divisors (58886761).

2532128831 is an equidigital number, since it uses as much as digits as its factorization.

2532128831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58886760.

The product of its digits is 23040, while the sum is 35.

The square root of 2532128831 is about 50320.2626284879. The cubic root of 2532128831 is about 1362.9981490318.

The spelling of 2532128831 in words is "two billion, five hundred thirty-two million, one hundred twenty-eight thousand, eight hundred thirty-one".