2132545 has 8 divisors (see below), whose sum is σ = 2586024. Its totient is φ = 1688064.

The previous prime is 2132539. The next prime is 2132551. The reversal of 2132545 is 5452312.

It is an interprime number because it is at equal distance from previous prime (2132539) and next prime (2132551).

It can be written as a sum of positive squares in 4 ways, for example, as 169744 + 1962801 = 412^2 + 1401^2 .

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 2132545 - 2⁵ = 2132513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1714 + ... + 2683.

It is an arithmetic number, because the mean of its divisors is an integer number (323253).

2^2132545 is an apocalyptic number.

It is an amenable number.

2132545 is a deficient number, since it is larger than the sum of its proper divisors (453479).

2132545 is an equidigital number, since it uses as much as digits as its factorization.

2132545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499.

The product of its digits is 1200, while the sum is 22.

The square root of 2132545 is about 1460.3235942763. The cubic root of 2132545 is about 128.7160591716.

Adding to 2132545 its reverse (5452312), we get a palindrome (7584857).

The spelling of 2132545 in words is "two million, one hundred thirty-two thousand, five hundred forty-five".