255243095 has 4 divisors (see below), whose sum is σ = 306291720. Its totient is φ = 204194472.

The previous prime is 255243091. The next prime is 255243101. The reversal of 255243095 is 590342552.

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 255243095 - 2² = 255243091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255243091) 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, 25524305 + ... + 25524314.

It is an arithmetic number, because the mean of its divisors is an integer number (76572930).

Almost surely, 2^255243095 is an apocalyptic number.

255243095 is a deficient number, since it is larger than the sum of its proper divisors (51048625).

255243095 is an equidigital number, since it uses as much as digits as its factorization.

255243095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51048624.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 255243095 is about 15976.3292091769. The cubic root of 255243095 is about 634.3340156330.

The spelling of 255243095 in words is "two hundred fifty-five million, two hundred forty-three thousand, ninety-five".