2553261287 has 4 divisors (see below), whose sum is σ = 2687643480. Its totient is φ = 2418879096.

The previous prime is 2553261283. The next prime is 2553261289. The reversal of 2553261287 is 7821623552.

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 2553261287 - 2² = 2553261283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553261283) 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, 67191068 + ... + 67191105.

It is an arithmetic number, because the mean of its divisors is an integer number (671910870).

Almost surely, 2^2553261287 is an apocalyptic number.

2553261287 is a deficient number, since it is larger than the sum of its proper divisors (134382193).

2553261287 is a wasteful number, since it uses less digits than its factorization.

2553261287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134382192.

The product of its digits is 201600, while the sum is 41.

The square root of 2553261287 is about 50529.8059267993. The cubic root of 2553261287 is about 1366.7793862280.

The spelling of 2553261287 in words is "two billion, five hundred fifty-three million, two hundred sixty-one thousand, two hundred eighty-seven".