2546530 has 24 divisors (see below), whose sum is σ = 5333148. Its totient is φ = 872928.

The previous prime is 2546521. The next prime is 2546539. The reversal of 2546530 is 356452.

It is an interprime number because it is at equal distance from previous prime (2546521) and next prime (2546539).

It can be written as a sum of positive squares in 2 ways, for example, as 2524921 + 21609 = 1589^2 + 147^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2546495 and 2546504.

It is not an unprimeable number, because it can be changed into a prime (2546539) 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, 2109 + ... + 3088.

2^2546530 is an apocalyptic number.

2546530 is an abundant number, since it is smaller than the sum of its proper divisors (2786618).

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

2546530 is a wasteful number, since it uses less digits than its factorization.

2546530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5218 (or 5211 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2546530 is about 1595.7850732476. The cubic root of 2546530 is about 136.5577226832.

The spelling of 2546530 in words is "two million, five hundred forty-six thousand, five hundred thirty".