2530546 has 4 divisors (see below), whose sum is σ = 3795822. Its totient is φ = 1265272.

The previous prime is 2530543. The next prime is 2530547. The reversal of 2530546 is 6450352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2524921 + 5625 = 1589^2 + 75^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2530546.

It is not an unprimeable number, because it can be changed into a prime (2530543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632635 + ... + 632638.

2^2530546 is an apocalyptic number.

2530546 is a deficient number, since it is larger than the sum of its proper divisors (1265276).

2530546 is a wasteful number, since it uses less digits than its factorization.

2530546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265275.

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

The square root of 2530546 is about 1590.7689964291. The cubic root of 2530546 is about 136.2714086944.

Adding to 2530546 its reverse (6450352), we get a palindrome (8980898).

The spelling of 2530546 in words is "two million, five hundred thirty thousand, five hundred forty-six".