255052687 has 4 divisors (see below), whose sum is σ = 256764600. Its totient is φ = 253340776.

The previous prime is 255052631. The next prime is 255052723. The reversal of 255052687 is 786250552.

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 255052687 - 2⁷ = 255052559 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255052387) 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, 855733 + ... + 856030.

It is an arithmetic number, because the mean of its divisors is an integer number (64191150).

Almost surely, 2^255052687 is an apocalyptic number.

255052687 is a deficient number, since it is larger than the sum of its proper divisors (1711913).

255052687 is a wasteful number, since it uses less digits than its factorization.

255052687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1711912.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 255052687 is about 15970.3690314282. The cubic root of 255052687 is about 634.1762414430.

The spelling of 255052687 in words is "two hundred fifty-five million, fifty-two thousand, six hundred eighty-seven".