255124749 has 32 divisors (see below), whose sum is σ = 377290368. Its totient is φ = 153331200.

The previous prime is 255124747. The next prime is 255124757. The reversal of 255124749 is 947421552.

It is not a de Polignac number, because 255124749 - 2¹ = 255124747 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255124747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 722557 + ... + 722909.

It is an arithmetic number, because the mean of its divisors is an integer number (11790324).

Almost surely, 2^255124749 is an apocalyptic number.

It is an amenable number.

255124749 is a deficient number, since it is larger than the sum of its proper divisors (122165619).

255124749 is a wasteful number, since it uses less digits than its factorization.

255124749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 548 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 255124749 is about 15972.6249877720. The cubic root of 255124749 is about 634.2359620515.

The spelling of 255124749 in words is "two hundred fifty-five million, one hundred twenty-four thousand, seven hundred forty-nine".