2530105 has 8 divisors (see below), whose sum is σ = 3141000. Its totient is φ = 1954176.

The previous prime is 2530103. The next prime is 2530109. The reversal of 2530105 is 5010352.

It can be written as a sum of positive squares in 4 ways, for example, as 1022121 + 1507984 = 1011^2 + 1228^2 .

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 2530105 - 2¹ = 2530103 is a prime.

It is a super-2 number, since 2×2530105² = 12802862622050, which contains 22 as substring.

2530105 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2530103) 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, 8580 + ... + 8869.

It is an arithmetic number, because the mean of its divisors is an integer number (392625).

2^2530105 is an apocalyptic number.

It is an amenable number.

2530105 is a deficient number, since it is larger than the sum of its proper divisors (610895).

2530105 is a wasteful number, since it uses less digits than its factorization.

2530105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17483.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 2530105 is about 1590.6303781834. The cubic root of 2530105 is about 136.2634921970.

Adding to 2530105 its reverse (5010352), we get a palindrome (7540457).

The spelling of 2530105 in words is "two million, five hundred thirty thousand, one hundred five".