255214245321 has 96 divisors (see below), whose sum is σ = 440442748928. Its totient is φ = 139340943360.

The previous prime is 255214245317. The next prime is 255214245337. The reversal of 255214245321 is 123542412552.

255214245321 is a `hidden beast` number, since 2 + 552 + 1 + 42 + 45 + 3 + 21 = 666.

It is not a de Polignac number, because 255214245321 - 2² = 255214245317 is a prime.

It is a super-2 number, since 2×255214245321² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255214245361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73823625 + ... + 73827081.

Almost surely, 2^255214245321 is an apocalyptic number.

255214245321 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

255214245321 is a deficient number, since it is larger than the sum of its proper divisors (185228503607).

255214245321 is a wasteful number, since it uses less digits than its factorization.

255214245321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971 (or 3968 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 255214245321 its reverse (123542412552), we get a palindrome (378756657873).

The spelling of 255214245321 in words is "two hundred fifty-five billion, two hundred fourteen million, two hundred forty-five thousand, three hundred twenty-one".