255332501 has 4 divisors (see below), whose sum is σ = 264137100. Its totient is φ = 246527904.

The previous prime is 255332447. The next prime is 255332521. The reversal of 255332501 is 105233552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 47251876 + 208080625 = 6874^2 + 14425^2 .

It is a cyclic number.

It is not a de Polignac number, because 255332501 - 2⁶ = 255332437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255332521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4402256 + ... + 4402313.

It is an arithmetic number, because the mean of its divisors is an integer number (66034275).

Almost surely, 2^255332501 is an apocalyptic number.

It is an amenable number.

255332501 is a deficient number, since it is larger than the sum of its proper divisors (8804599).

255332501 is an equidigital number, since it uses as much as digits as its factorization.

255332501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804598.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 255332501 is about 15979.1270412373. The cubic root of 255332501 is about 634.4080713700.

The spelling of 255332501 in words is "two hundred fifty-five million, three hundred thirty-two thousand, five hundred one".