2523605247 has 8 divisors (see below), whose sum is σ = 3738674480. Its totient is φ = 1682403480.

The previous prime is 2523605243. The next prime is 2523605257. The reversal of 2523605247 is 7425063252.

2523605247 is a `hidden beast` number, since 2 + 5 + 2 + 3 + 605 + 2 + 47 = 666.

It is not a de Polignac number, because 2523605247 - 2² = 2523605243 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 (2523605243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46733404 + ... + 46733457.

It is an arithmetic number, because the mean of its divisors is an integer number (467334310).

Almost surely, 2^2523605247 is an apocalyptic number.

2523605247 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2523605247 is a deficient number, since it is larger than the sum of its proper divisors (1215069233).

2523605247 is an equidigital number, since it uses as much as digits as its factorization.

2523605247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93466870 (or 93466864 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 2523605247 is about 50235.4978774969. The cubic root of 2523605247 is about 1361.4670672064.

Adding to 2523605247 its reverse (7425063252), we get a palindrome (9948668499).

The spelling of 2523605247 in words is "two billion, five hundred twenty-three million, six hundred five thousand, two hundred forty-seven".