2131527 has 8 divisors (see below), whose sum is σ = 2881264. Its totient is φ = 1401408.

The previous prime is 2131517. The next prime is 2131531. The reversal of 2131527 is 7251312.

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

It is not a de Polignac number, because 2131527 - 2⁶ = 2131463 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 (2131517) 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, 4648 + ... + 5085.

It is an arithmetic number, because the mean of its divisors is an integer number (360158).

2^2131527 is an apocalyptic number.

2131527 is a deficient number, since it is larger than the sum of its proper divisors (749737).

2131527 is an equidigital number, since it uses as much as digits as its factorization.

2131527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9809.

The product of its digits is 420, while the sum is 21.

The square root of 2131527 is about 1459.9749997860. The cubic root of 2131527 is about 128.6955744450.

Adding to 2131527 its reverse (7251312), we get a palindrome (9382839).

The spelling of 2131527 in words is "two million, one hundred thirty-one thousand, five hundred twenty-seven".