255142651 has 4 divisors (see below), whose sum is σ = 255375072. Its totient is φ = 254910232.

The previous prime is 255142627. The next prime is 255142663. The reversal of 255142651 is 156241552.

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 255142651 - 2¹⁷ = 255011579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255142691) 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, 114556 + ... + 116761.

It is an arithmetic number, because the mean of its divisors is an integer number (63843768).

Almost surely, 2^255142651 is an apocalyptic number.

255142651 is a deficient number, since it is larger than the sum of its proper divisors (232421).

255142651 is a wasteful number, since it uses less digits than its factorization.

255142651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232420.

The product of its digits is 12000, while the sum is 31.

The square root of 255142651 is about 15973.1853742452. The cubic root of 255142651 is about 634.2507963978.

The spelling of 255142651 in words is "two hundred fifty-five million, one hundred forty-two thousand, six hundred fifty-one".