255206451 has 4 divisors (see below), whose sum is σ = 340275272. Its totient is φ = 170137632.

The previous prime is 255206443. The next prime is 255206489. The reversal of 255206451 is 154602552.

255206451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 255206451 - 2³ = 255206443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255206051) 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, 42534406 + ... + 42534411.

It is an arithmetic number, because the mean of its divisors is an integer number (85068818).

Almost surely, 2^255206451 is an apocalyptic number.

255206451 is a deficient number, since it is larger than the sum of its proper divisors (85068821).

255206451 is an equidigital number, since it uses as much as digits as its factorization.

255206451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85068820.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 255206451 is about 15975.1823463771. The cubic root of 255206451 is about 634.3036581051.

The spelling of 255206451 in words is "two hundred fifty-five million, two hundred six thousand, four hundred fifty-one".