505302250 has 32 divisors (see below), whose sum is σ = 947286288. Its totient is φ = 201830400.

The previous prime is 505302247. The next prime is 505302253. The reversal of 505302250 is 52203505.

It is an interprime number because it is at equal distance from previous prime (505302247) and next prime (505302253).

It can be written as a sum of positive squares in 8 ways, for example, as 356409 + 504945841 = 597^2 + 22471^2 .

It is not an unprimeable number, because it can be changed into a prime (505302253) 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, 287374 + ... + 289126.

Almost surely, 2^505302250 is an apocalyptic number.

505302250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505302250 is a deficient number, since it is larger than the sum of its proper divisors (441984038).

505302250 is a wasteful number, since it uses less digits than its factorization.

505302250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2923 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 22.

The square root of 505302250 is about 22478.9290225313. The cubic root of 505302250 is about 796.4962657518.

Adding to 505302250 its reverse (52203505), we get a palindrome (557505755).

The spelling of 505302250 in words is "five hundred five million, three hundred two thousand, two hundred fifty".