255267619 has 4 divisors (see below), whose sum is σ = 255417496. Its totient is φ = 255117744.

The previous prime is 255267613. The next prime is 255267643. The reversal of 255267619 is 916762552.

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 255267619 - 2³ = 255267611 is a prime.

It is a super-2 number, since 2×255267619² = 130323114619858322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255267611) 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, 72354 + ... + 75799.

It is an arithmetic number, because the mean of its divisors is an integer number (63854374).

Almost surely, 2^255267619 is an apocalyptic number.

255267619 is a deficient number, since it is larger than the sum of its proper divisors (149877).

255267619 is a wasteful number, since it uses less digits than its factorization.

255267619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149876.

The product of its digits is 226800, while the sum is 43.

The square root of 255267619 is about 15977.0967012158. The cubic root of 255267619 is about 634.3543307881.

The spelling of 255267619 in words is "two hundred fifty-five million, two hundred sixty-seven thousand, six hundred nineteen".