255253147 has 4 divisors (see below), whose sum is σ = 270268056. Its totient is φ = 240238240.

The previous prime is 255253139. The next prime is 255253153. The reversal of 255253147 is 741352552.

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 255253147 - 2³ = 255253139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255250147) 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, 7507429 + ... + 7507462.

It is an arithmetic number, because the mean of its divisors is an integer number (67567014).

Almost surely, 2^255253147 is an apocalyptic number.

255253147 is a deficient number, since it is larger than the sum of its proper divisors (15014909).

255253147 is a wasteful number, since it uses less digits than its factorization.

255253147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15014908.

The product of its digits is 42000, while the sum is 34.

The square root of 255253147 is about 15976.6437964924. The cubic root of 255253147 is about 634.3423426514.

The spelling of 255253147 in words is "two hundred fifty-five million, two hundred fifty-three thousand, one hundred forty-seven".