3142506520 has 32 divisors (see below), whose sum is σ = 7442780400. Its totient is φ = 1190844288.

The previous prime is 3142506509. The next prime is 3142506529. The reversal of 3142506520 is 256052413.

3142506520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3142506529) 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, 2066679 + ... + 2068198.

Almost surely, 2^3142506520 is an apocalyptic number.

It is an amenable number.

3142506520 is an abundant number, since it is smaller than the sum of its proper divisors (4300273880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3142506520 is a wasteful number, since it uses less digits than its factorization.

3142506520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134907 (or 4134903 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 3142506520 is about 56058.0638267145. The cubic root of 3142506520 is about 1464.7338868294.

Adding to 3142506520 its reverse (256052413), we get a palindrome (3398558933).

The spelling of 3142506520 in words is "three billion, one hundred forty-two million, five hundred six thousand, five hundred twenty".