505101225 has 48 divisors (see below), whose sum is σ = 886292480. Its totient is φ = 253108800.

The previous prime is 505101221. The next prime is 505101227. The reversal of 505101225 is 522101505.

It is not a de Polignac number, because 505101225 - 2² = 505101221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (505101221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 179580 + ... + 182370.

Almost surely, 2^505101225 is an apocalyptic number.

It is an amenable number.

505101225 is a deficient number, since it is larger than the sum of its proper divisors (381191255).

505101225 is a wasteful number, since it uses less digits than its factorization.

505101225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2950 (or 2945 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 505101225 is about 22474.4571680831. The cubic root of 505101225 is about 796.3906280538.

The spelling of 505101225 in words is "five hundred five million, one hundred one thousand, two hundred twenty-five".