505125766 has 8 divisors (see below), whose sum is σ = 757836864. Its totient is φ = 252513480.

The previous prime is 505125721. The next prime is 505125769. The reversal of 505125766 is 667521505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505125769) 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, 10225 + ... + 33388.

It is an arithmetic number, because the mean of its divisors is an integer number (94729608).

Almost surely, 2^505125766 is an apocalyptic number.

505125766 is a deficient number, since it is larger than the sum of its proper divisors (252711098).

505125766 is a wasteful number, since it uses less digits than its factorization.

505125766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49406.

The product of its (nonzero) digits is 63000, while the sum is 37.

The square root of 505125766 is about 22475.0031368185. The cubic root of 505125766 is about 796.4035257364.

It can be divided in two parts, 50512 and 5766, that multiplied together give a palindrome (291252192).

The spelling of 505125766 in words is "five hundred five million, one hundred twenty-five thousand, seven hundred sixty-six".