2530843697 has 4 divisors (see below), whose sum is σ = 2599244916. Its totient is φ = 2462442480.

The previous prime is 2530843687. The next prime is 2530843741. The reversal of 2530843697 is 7963480352.

It is a happy number.

2530843697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2453121841 + 77721856 = 49529^2 + 8816^2 .

It is a cyclic number.

It is not a de Polignac number, because 2530843697 - 2⁶ = 2530843633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2530843687) 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, 34200554 + ... + 34200627.

It is an arithmetic number, because the mean of its divisors is an integer number (649811229).

Almost surely, 2^2530843697 is an apocalyptic number.

It is an amenable number.

2530843697 is a deficient number, since it is larger than the sum of its proper divisors (68401219).

2530843697 is an equidigital number, since it uses as much as digits as its factorization.

2530843697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68401218.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 2530843697 is about 50307.4914600201. The cubic root of 2530843697 is about 1362.7675220508.

The spelling of 2530843697 in words is "two billion, five hundred thirty million, eight hundred forty-three thousand, six hundred ninety-seven".