2523204647 has 2 divisors, whose sum is σ = 2523204648. Its totient is φ = 2523204646.

The previous prime is 2523204641. The next prime is 2523204661. The reversal of 2523204647 is 7464023252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2523204647 - 2²⁴ = 2506427431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2523204641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1261602323 + 1261602324.

It is an arithmetic number, because the mean of its divisors is an integer number (1261602324).

Almost surely, 2^2523204647 is an apocalyptic number.

2523204647 is a deficient number, since it is larger than the sum of its proper divisors (1).

2523204647 is an equidigital number, since it uses as much as digits as its factorization.

2523204647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 2523204647 is about 50231.5104988890. The cubic root of 2523204647 is about 1361.3950231113.

Adding to 2523204647 its reverse (7464023252), we get a palindrome (9987227899).

The spelling of 2523204647 in words is "two billion, five hundred twenty-three million, two hundred four thousand, six hundred forty-seven".