255342813 has 16 divisors (see below), whose sum is σ = 371684352. Its totient is φ = 154638000.

The previous prime is 255342799. The next prime is 255342827. The reversal of 255342813 is 318243552.

It is an interprime number because it is at equal distance from previous prime (255342799) and next prime (255342827).

It is not a de Polignac number, because 255342813 - 2⁵ = 255342781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255342853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68508 + ... + 72138.

It is an arithmetic number, because the mean of its divisors is an integer number (23230272).

Almost surely, 2^255342813 is an apocalyptic number.

It is an amenable number.

255342813 is a deficient number, since it is larger than the sum of its proper divisors (116341539).

255342813 is a wasteful number, since it uses less digits than its factorization.

255342813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5776.

The product of its digits is 28800, while the sum is 33.

The square root of 255342813 is about 15979.4497089230. The cubic root of 255342813 is about 634.4166117737.

The spelling of 255342813 in words is "two hundred fifty-five million, three hundred forty-two thousand, eight hundred thirteen".