2130539 has 2 divisors, whose sum is σ = 2130540. Its totient is φ = 2130538.

The previous prime is 2130529. The next prime is 2130577. The reversal of 2130539 is 9350312.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2130539 - 2⁴ = 2130523 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2130509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065269 + 1065270.

It is an arithmetic number, because the mean of its divisors is an integer number (1065270).

2^2130539 is an apocalyptic number.

2130539 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130539 is an equidigital number, since it uses as much as digits as its factorization.

2130539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 2130539 is about 1459.6365986094. The cubic root of 2130539 is about 128.6756871564.

The spelling of 2130539 in words is "two million, one hundred thirty thousand, five hundred thirty-nine".