506261615 has 16 divisors (see below), whose sum is σ = 643868352. Its totient is φ = 380818944.

The previous prime is 506261611. The next prime is 506261617. The reversal of 506261615 is 516162605.

It is a cyclic number.

It is not a de Polignac number, because 506261615 - 2² = 506261611 is a prime.

It is a super-3 number, since 3×506261615³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506261611) 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 15 ways as a sum of consecutive naturals, for example, 114017 + ... + 118373.

It is an arithmetic number, because the mean of its divisors is an integer number (40241772).

Almost surely, 2^506261615 is an apocalyptic number.

506261615 is a deficient number, since it is larger than the sum of its proper divisors (137606737).

506261615 is a wasteful number, since it uses less digits than its factorization.

506261615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5746.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 506261615 is about 22500.2581096307. The cubic root of 506261615 is about 797.0000220400. Note that the first 4 decimals are identical.

The spelling of 506261615 in words is "five hundred six million, two hundred sixty-one thousand, six hundred fifteen".