255120499 has 2 divisors, whose sum is σ = 255120500. Its totient is φ = 255120498.

The previous prime is 255120469. The next prime is 255120517. The reversal of 255120499 is 994021552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 255120499 - 2²⁵ = 221566067 is a prime.

It is not a weakly prime, because it can be changed into another prime (255120449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127560249 + 127560250.

It is an arithmetic number, because the mean of its divisors is an integer number (127560250).

Almost surely, 2^255120499 is an apocalyptic number.

255120499 is a deficient number, since it is larger than the sum of its proper divisors (1).

255120499 is an equidigital number, since it uses as much as digits as its factorization.

255120499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 255120499 is about 15972.4919470945. The cubic root of 255120499 is about 634.2324402217.

The spelling of 255120499 in words is "two hundred fifty-five million, one hundred twenty thousand, four hundred ninety-nine".