255641507 has 8 divisors (see below), whose sum is σ = 284815872. Its totient is φ = 227456200.

The previous prime is 255641501. The next prime is 255641509. The reversal of 255641507 is 705146552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255641507 - 2⁶ = 255641443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255641501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246719 + ... + 247752.

It is an arithmetic number, because the mean of its divisors is an integer number (35601984).

Almost surely, 2^255641507 is an apocalyptic number.

255641507 is a deficient number, since it is larger than the sum of its proper divisors (29174365).

255641507 is a wasteful number, since it uses less digits than its factorization.

255641507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494529.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 255641507 is about 15988.7931689668. The cubic root of 255641507 is about 634.6638905747.

The spelling of 255641507 in words is "two hundred fifty-five million, six hundred forty-one thousand, five hundred seven".