2530156547 has 2 divisors, whose sum is σ = 2530156548. Its totient is φ = 2530156546.

The previous prime is 2530156487. The next prime is 2530156589. The reversal of 2530156547 is 7456510352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2530156547 - 2²⁶ = 2463047683 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2530156547.

It is not a weakly prime, because it can be changed into another prime (2530156747) 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, 1265078273 + 1265078274.

It is an arithmetic number, because the mean of its divisors is an integer number (1265078274).

Almost surely, 2^2530156547 is an apocalyptic number.

2530156547 is a deficient number, since it is larger than the sum of its proper divisors (1).

2530156547 is an equidigital number, since it uses as much as digits as its factorization.

2530156547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 2530156547 is about 50300.6614966444. The cubic root of 2530156547 is about 1362.6441757709.

Adding to 2530156547 its reverse (7456510352), we get a palindrome (9986666899).

The spelling of 2530156547 in words is "two billion, five hundred thirty million, one hundred fifty-six thousand, five hundred forty-seven".