2530709 has 2 divisors, whose sum is σ = 2530710. Its totient is φ = 2530708.

The previous prime is 2530699. The next prime is 2530727. The reversal of 2530709 is 9070352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 485809 = 1430^2 + 697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2530709 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2530769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265354 + 1265355.

It is an arithmetic number, because the mean of its divisors is an integer number (1265355).

2^2530709 is an apocalyptic number.

It is an amenable number.

2530709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530709 is an equidigital number, since it uses as much as digits as its factorization.

2530709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 2530709 is about 1590.8202286871. The cubic root of 2530709 is about 136.2743345139.

The spelling of 2530709 in words is "two million, five hundred thirty thousand, seven hundred nine".