2553232987 has 4 divisors (see below), whose sum is σ = 2553549376. Its totient is φ = 2552916600.

The previous prime is 2553232963. The next prime is 2553232999. The reversal of 2553232987 is 7892323552.

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 2553232987 - 2¹⁵ = 2553200219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553232387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145764 + ... + 162337.

It is an arithmetic number, because the mean of its divisors is an integer number (638387344).

Almost surely, 2^2553232987 is an apocalyptic number.

2553232987 is a deficient number, since it is larger than the sum of its proper divisors (316389).

2553232987 is an equidigital number, since it uses as much as digits as its factorization.

2553232987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316388.

The product of its digits is 907200, while the sum is 46.

The square root of 2553232987 is about 50529.5258932834. The cubic root of 2553232987 is about 1366.7743364773.

The spelling of 2553232987 in words is "two billion, five hundred fifty-three million, two hundred thirty-two thousand, nine hundred eighty-seven".