506215157 has 16 divisors (see below), whose sum is σ = 609613440. Its totient is φ = 410635008.

The previous prime is 506215141. The next prime is 506215159. The reversal of 506215157 is 751512605.

It is not a de Polignac number, because 506215157 - 2⁴ = 506215141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506215159) 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, 219233 + ... + 221529.

It is an arithmetic number, because the mean of its divisors is an integer number (38100840).

Almost surely, 2^506215157 is an apocalyptic number.

It is an amenable number.

506215157 is a deficient number, since it is larger than the sum of its proper divisors (103398283).

506215157 is a wasteful number, since it uses less digits than its factorization.

506215157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3980.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 506215157 is about 22499.2256977879. The cubic root of 506215157 is about 796.9756419181.

The spelling of 506215157 in words is "five hundred six million, two hundred fifteen thousand, one hundred fifty-seven".