515216141 has 8 divisors (see below), whose sum is σ = 591636000. Its totient is φ = 443726640.

The previous prime is 515216111. The next prime is 515216159. The reversal of 515216141 is 141612515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 515216141 - 2²⁶ = 448107277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 515216141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515216101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1232366 + ... + 1232783.

It is an arithmetic number, because the mean of its divisors is an integer number (73954500).

Almost surely, 2^515216141 is an apocalyptic number.

It is an amenable number.

515216141 is a deficient number, since it is larger than the sum of its proper divisors (76419859).

515216141 is a wasteful number, since it uses less digits than its factorization.

515216141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2465179.

The product of its digits is 1200, while the sum is 26.

The square root of 515216141 is about 22698.3730914795. The cubic root of 515216141 is about 801.6715782874.

Adding to 515216141 its reverse (141612515), we get a palindrome (656828656).

The spelling of 515216141 in words is "five hundred fifteen million, two hundred sixteen thousand, one hundred forty-one".