2523072247 has 4 divisors (see below), whose sum is σ = 2525754456. Its totient is φ = 2520390040.

The previous prime is 2523072203. The next prime is 2523072269. The reversal of 2523072247 is 7422703252.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2523072247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523072287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1339693 + ... + 1341574.

It is an arithmetic number, because the mean of its divisors is an integer number (631438614).

Almost surely, 2^2523072247 is an apocalyptic number.

2523072247 is a deficient number, since it is larger than the sum of its proper divisors (2682209).

2523072247 is an equidigital number, since it uses as much as digits as its factorization.

2523072247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2682208.

The product of its (nonzero) digits is 47040, while the sum is 34.

The square root of 2523072247 is about 50230.1925837439. The cubic root of 2523072247 is about 1361.3712105556.

Adding to 2523072247 its reverse (7422703252), we get a palindrome (9945775499).

The spelling of 2523072247 in words is "two billion, five hundred twenty-three million, seventy-two thousand, two hundred forty-seven".