255007775 has 12 divisors (see below), whose sum is σ = 344956344. Its totient is φ = 185460000.

The previous prime is 255007763. The next prime is 255007787. The reversal of 255007775 is 577700552.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (255007763) and next prime (255007787).

It is not a de Polignac number, because 255007775 - 2¹⁶ = 254942239 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463376 + ... + 463925.

It is an arithmetic number, because the mean of its divisors is an integer number (28746362).

Almost surely, 2^255007775 is an apocalyptic number.

255007775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

255007775 is a deficient number, since it is larger than the sum of its proper divisors (89948569).

255007775 is a wasteful number, since it uses less digits than its factorization.

255007775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927322 (or 927317 counting only the distinct ones).

The product of its (nonzero) digits is 85750, while the sum is 38.

The square root of 255007775 is about 15968.9628655088. The cubic root of 255007775 is about 634.1390154151.

The spelling of 255007775 in words is "two hundred fifty-five million, seven thousand, seven hundred seventy-five".