2530009 has 2 divisors, whose sum is σ = 2530010. Its totient is φ = 2530008.

The previous prime is 2530001. The next prime is 2530013. The reversal of 2530009 is 9000352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1617984 + 912025 = 1272^2 + 955^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530009 - 2³ = 2530001 is a prime.

It is equal to p₁₈₅₁₂₂ and since 2530009 and 185122 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2530001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265004 + 1265005.

It is an arithmetic number, because the mean of its divisors is an integer number (1265005).

2^2530009 is an apocalyptic number.

It is an amenable number.

2530009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530009 is an equidigital number, since it uses as much as digits as its factorization.

2530009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 2530009 is about 1590.6002011819. The cubic root of 2530009 is about 136.2617687559.

It can be divided in two parts, 253000 and 9, that added together give a square (253009 = 503²).

The spelling of 2530009 in words is "two million, five hundred thirty thousand, nine".