2523523817 has 4 divisors (see below), whose sum is σ = 2656340880. Its totient is φ = 2390706756.

The previous prime is 2523523811. The next prime is 2523523837. The reversal of 2523523817 is 7183253252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2523523817 - 2⁶ = 2523523753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2523523811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66408503 + ... + 66408540.

It is an arithmetic number, because the mean of its divisors is an integer number (664085220).

Almost surely, 2^2523523817 is an apocalyptic number.

It is an amenable number.

2523523817 is a deficient number, since it is larger than the sum of its proper divisors (132817063).

2523523817 is a wasteful number, since it uses less digits than its factorization.

2523523817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132817062.

The product of its digits is 100800, while the sum is 38.

The square root of 2523523817 is about 50234.6873882977. The cubic root of 2523523817 is about 1361.4524234138.

The spelling of 2523523817 in words is "two billion, five hundred twenty-three million, five hundred twenty-three thousand, eight hundred seventeen".