255354459 has 4 divisors (see below), whose sum is σ = 340472616. Its totient is φ = 170236304.

The previous prime is 255354413. The next prime is 255354461. The reversal of 255354459 is 954453552.

It is a happy number.

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 255354459 - 2²¹ = 253257307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255354459.

It is not an unprimeable number, because it can be changed into a prime (255354469) 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, 42559074 + ... + 42559079.

It is an arithmetic number, because the mean of its divisors is an integer number (85118154).

Almost surely, 2^255354459 is an apocalyptic number.

255354459 is a deficient number, since it is larger than the sum of its proper divisors (85118157).

255354459 is an equidigital number, since it uses as much as digits as its factorization.

255354459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85118156.

The product of its digits is 540000, while the sum is 42.

The square root of 255354459 is about 15979.8141103080. The cubic root of 255354459 is about 634.4262567205.

The spelling of 255354459 in words is "two hundred fifty-five million, three hundred fifty-four thousand, four hundred fifty-nine".