505302249 has 16 divisors (see below), whose sum is σ = 711936000. Its totient is φ = 318139536.

The previous prime is 505302247. The next prime is 505302253. The reversal of 505302249 is 942203505.

It is not a de Polignac number, because 505302249 - 2¹ = 505302247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505302247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40899 + ... + 51800.

It is an arithmetic number, because the mean of its divisors is an integer number (44496000).

Almost surely, 2^505302249 is an apocalyptic number.

It is an amenable number.

505302249 is a deficient number, since it is larger than the sum of its proper divisors (206633751).

505302249 is a wasteful number, since it uses less digits than its factorization.

505302249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92804.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 505302249 is about 22478.9290002882. The cubic root of 505302249 is about 796.4962652264.

The spelling of 505302249 in words is "five hundred five million, three hundred two thousand, two hundred forty-nine".