216255254 has 16 divisors (see below), whose sum is σ = 328682976. Its totient is φ = 106704000.

The previous prime is 216255251. The next prime is 216255257. The reversal of 216255254 is 452552612.

It is an interprime number because it is at equal distance from previous prime (216255251) and next prime (216255257).

It is a self number, because there is not a number n which added to its sum of digits gives 216255254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216255251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45134 + ... + 49694.

It is an arithmetic number, because the mean of its divisors is an integer number (20542686).

Almost surely, 2^216255254 is an apocalyptic number.

216255254 is a deficient number, since it is larger than the sum of its proper divisors (112427722).

216255254 is a wasteful number, since it uses less digits than its factorization.

216255254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4871.

The product of its digits is 24000, while the sum is 32.

The square root of 216255254 is about 14705.6198101270. The cubic root of 216255254 is about 600.2362532581.

The spelling of 216255254 in words is "two hundred sixteen million, two hundred fifty-five thousand, two hundred fifty-four".