2472540247 has 2 divisors, whose sum is σ = 2472540248. Its totient is φ = 2472540246.

The previous prime is 2472540221. The next prime is 2472540263. The reversal of 2472540247 is 7420452742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2472540247 - 2¹¹ = 2472538199 is a prime.

It is a super-2 number, since 2×2472540247² = 12226910546069642018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2472540277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1236270123 + 1236270124.

It is an arithmetic number, because the mean of its divisors is an integer number (1236270124).

Almost surely, 2^2472540247 is an apocalyptic number.

2472540247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2472540247 is an equidigital number, since it uses as much as digits as its factorization.

2472540247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125440, while the sum is 37.

The square root of 2472540247 is about 49724.6442621765. The cubic root of 2472540247 is about 1352.2213537573.

Adding to 2472540247 its reverse (7420452742), we get a palindrome (9892992989).

The spelling of 2472540247 in words is "two billion, four hundred seventy-two million, five hundred forty thousand, two hundred forty-seven".