255197600 has 144 divisors (see below), whose sum is σ = 718704000. Its totient is φ = 86676480.

The previous prime is 255197567. The next prime is 255197633. The reversal of 255197600 is 6791552.

It is an interprime number because it is at equal distance from previous prime (255197567) and next prime (255197633).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1114286 + ... + 1114514.

It is an arithmetic number, because the mean of its divisors is an integer number (4991000).

Almost surely, 2^255197600 is an apocalyptic number.

255197600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255197600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359352000).

255197600 is an abundant number, since it is smaller than the sum of its proper divisors (463506400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255197600 is a wasteful number, since it uses less digits than its factorization.

255197600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 255197600 is about 15974.9053205332. The cubic root of 255197600 is about 634.2963251053.

The spelling of 255197600 in words is "two hundred fifty-five million, one hundred ninety-seven thousand, six hundred".