505240015 has 16 divisors (see below), whose sum is σ = 715253760. Its totient is φ = 335273760.

The previous prime is 505240013. The next prime is 505240027. The reversal of 505240015 is 510042505.

It is not a de Polignac number, because 505240015 - 2¹ = 505240013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505240013) 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, 231745 + ... + 233914.

It is an arithmetic number, because the mean of its divisors is an integer number (44703360).

Almost surely, 2^505240015 is an apocalyptic number.

505240015 is a deficient number, since it is larger than the sum of its proper divisors (210013745).

505240015 is a wasteful number, since it uses less digits than its factorization.

505240015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465702.

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 505240015 is about 22477.5446835280. The cubic root of 505240015 is about 796.4635645449.

The spelling of 505240015 in words is "five hundred five million, two hundred forty thousand, fifteen".