5131521006 has 32 divisors (see below), whose sum is σ = 10506544128. Its totient is φ = 1670098080.

The previous prime is 5131521001. The next prime is 5131521041. The reversal of 5131521006 is 6001251315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131521001) 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, 97111 + ... + 140333.

It is an arithmetic number, because the mean of its divisors is an integer number (328329504).

Almost surely, 2^5131521006 is an apocalyptic number.

5131521006 is an abundant number, since it is smaller than the sum of its proper divisors (5375023122).

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

5131521006 is a wasteful number, since it uses less digits than its factorization.

5131521006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43696.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 5131521006 is about 71634.6355194190. The cubic root of 5131521006 is about 1724.8395572684.

The spelling of 5131521006 in words is "five billion, one hundred thirty-one million, five hundred twenty-one thousand, six".