2512530 has 24 divisors (see below), whose sum is σ = 6532812. Its totient is φ = 669984.

The previous prime is 2512513. The next prime is 2512537. The reversal of 2512530 is 352152.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2405601 + 106929 = 1551^2 + 327^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (2512537) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13869 + ... + 14048.

2^2512530 is an apocalyptic number.

2512530 is an abundant number, since it is smaller than the sum of its proper divisors (4020282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2512530 is a wasteful number, since it uses less digits than its factorization.

2512530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27930 (or 27927 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2512530 is about 1585.0962115910. The cubic root of 2512530 is about 135.9472474184.

Adding to 2512530 its reverse (352152), we get a palindrome (2864682).

The spelling of 2512530 in words is "two million, five hundred twelve thousand, five hundred thirty".