255305007 has 16 divisors (see below), whose sum is σ = 378507360. Its totient is φ = 170078400.

The previous prime is 255305003. The next prime is 255305047. The reversal of 255305007 is 700503552.

It is not a de Polignac number, because 255305007 - 2² = 255305003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255305003) 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, 47707 + ... + 52787.

It is an arithmetic number, because the mean of its divisors is an integer number (23656710).

Almost surely, 2^255305007 is an apocalyptic number.

255305007 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

255305007 is a deficient number, since it is larger than the sum of its proper divisors (123202353).

255305007 is a wasteful number, since it uses less digits than its factorization.

255305007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6951 (or 6945 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 255305007 is about 15978.2667082509. The cubic root of 255305007 is about 634.3852997009.

Adding to 255305007 its reverse (700503552), we get a palindrome (955808559).

The spelling of 255305007 in words is "two hundred fifty-five million, three hundred five thousand, seven".