255480547 has 4 divisors (see below), whose sum is σ = 291977776. Its totient is φ = 218983320.

The previous prime is 255480541. The next prime is 255480569. The reversal of 255480547 is 745084552.

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

It is a cyclic number.

It is not a de Polignac number, because 255480547 - 2⁷ = 255480419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255480541) 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, 18248604 + ... + 18248617.

It is an arithmetic number, because the mean of its divisors is an integer number (72994444).

Almost surely, 2^255480547 is an apocalyptic number.

255480547 is a deficient number, since it is larger than the sum of its proper divisors (36497229).

255480547 is an equidigital number, since it uses as much as digits as its factorization.

255480547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36497228.

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 255480547 is about 15983.7588507835. The cubic root of 255480547 is about 634.5306611048.

The spelling of 255480547 in words is "two hundred fifty-five million, four hundred eighty thousand, five hundred forty-seven".