2532557321 has 16 divisors (see below), whose sum is σ = 2957347200. Its totient is φ = 2123953920.

The previous prime is 2532557317. The next prime is 2532557323. The reversal of 2532557321 is 1237552352.

It is a cyclic number.

It is not a de Polignac number, because 2532557321 - 2² = 2532557317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2532557323) 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, 51761 + ... + 88001.

It is an arithmetic number, because the mean of its divisors is an integer number (184834200).

Almost surely, 2^2532557321 is an apocalyptic number.

It is an amenable number.

2532557321 is a deficient number, since it is larger than the sum of its proper divisors (424789879).

2532557321 is a wasteful number, since it uses less digits than its factorization.

2532557321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36464.

The product of its digits is 63000, while the sum is 35.

The square root of 2532557321 is about 50324.5200771950. The cubic root of 2532557321 is about 1363.0750274446.

The spelling of 2532557321 in words is "two billion, five hundred thirty-two million, five hundred fifty-seven thousand, three hundred twenty-one".