2530547 has 2 divisors, whose sum is σ = 2530548. Its totient is φ = 2530546.

The previous prime is 2530543. The next prime is 2530571. The reversal of 2530547 is 7450352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2530547 - 2² = 2530543 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2530543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1265273 + 1265274.

It is an arithmetic number, because the mean of its divisors is an integer number (1265274).

2^2530547 is an apocalyptic number.

2530547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530547 is an equidigital number, since it uses as much as digits as its factorization.

2530547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 2530547 is about 1590.7693107424. The cubic root of 2530547 is about 136.2714266446.

Adding to 2530547 its reverse (7450352), we get a palindrome (9980899).

It can be divided in two parts, 25305 and 47, that added together give a palindrome (25352).

The spelling of 2530547 in words is "two million, five hundred thirty thousand, five hundred forty-seven".