505152806 has 4 divisors (see below), whose sum is σ = 757729212. Its totient is φ = 252576402.

The previous prime is 505152793. The next prime is 505152847. The reversal of 505152806 is 608251505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 608251505 = 5 ⋅121650301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126288200 + ... + 126288203.

It is an arithmetic number, because the mean of its divisors is an integer number (189432303).

Almost surely, 2^505152806 is an apocalyptic number.

505152806 is a deficient number, since it is larger than the sum of its proper divisors (252576406).

505152806 is a wasteful number, since it uses less digits than its factorization.

505152806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252576405.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 505152806 is about 22475.6046859701. The cubic root of 505152806 is about 796.4177363011.

The spelling of 505152806 in words is "five hundred five million, one hundred fifty-two thousand, eight hundred six".