255420363 has 16 divisors (see below), whose sum is σ = 391075200. Its totient is φ = 146652480.

The previous prime is 255420343. The next prime is 255420379. The reversal of 255420363 is 363024552.

It is not a de Polignac number, because 255420363 - 2⁹ = 255419851 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255420363.

It is not an unprimeable number, because it can be changed into a prime (255420343) 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, 203058 + ... + 204311.

It is an arithmetic number, because the mean of its divisors is an integer number (24442200).

Almost surely, 2^255420363 is an apocalyptic number.

255420363 is a deficient number, since it is larger than the sum of its proper divisors (135654837).

255420363 is a wasteful number, since it uses less digits than its factorization.

255420363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407402.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 255420363 is about 15981.8760788588. The cubic root of 255420363 is about 634.4808313586.

The spelling of 255420363 in words is "two hundred fifty-five million, four hundred twenty thousand, three hundred sixty-three".