2132521531 has 8 divisors (see below), whose sum is σ = 2580530400. Its totient is φ = 1720353408.

The previous prime is 2132521519. The next prime is 2132521543. The reversal of 2132521531 is 1351252312.

It is an interprime number because it is at equal distance from previous prime (2132521519) and next prime (2132521543).

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 2132521531 - 2⁹ = 2132521019 is a prime.

It is a super-2 number, since 2×2132521531² = 9095296160357167922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2132521496 and 2132521505.

It is not an unprimeable number, because it can be changed into a prime (2133521531) 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, 8960056 + ... + 8960293.

It is an arithmetic number, because the mean of its divisors is an integer number (322566300).

Almost surely, 2^2132521531 is an apocalyptic number.

2132521531 is a deficient number, since it is larger than the sum of its proper divisors (448008869).

2132521531 is a wasteful number, since it uses less digits than its factorization.

2132521531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17920373.

The product of its digits is 1800, while the sum is 25.

The square root of 2132521531 is about 46179.2326809357. The cubic root of 2132521531 is about 1287.1558698961.

Adding to 2132521531 its reverse (1351252312), we get a palindrome (3483773843).

It can be divided in two parts, 213 and 2521531, that added together give a square (2521744 = 1588²).

The spelling of 2132521531 in words is "two billion, one hundred thirty-two million, five hundred twenty-one thousand, five hundred thirty-one".