2523721367 has 4 divisors (see below), whose sum is σ = 2547307656. Its totient is φ = 2500135080.

The previous prime is 2523721351. The next prime is 2523721397. The reversal of 2523721367 is 7631273252.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2523721367 - 2⁴ = 2523721351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2523721367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2523721307) 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 3 ways as a sum of consecutive naturals, for example, 11792984 + ... + 11793197.

It is an arithmetic number, because the mean of its divisors is an integer number (636826914).

Almost surely, 2^2523721367 is an apocalyptic number.

2523721367 is a deficient number, since it is larger than the sum of its proper divisors (23586289).

2523721367 is a wasteful number, since it uses less digits than its factorization.

2523721367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23586288.

The product of its digits is 105840, while the sum is 38.

The square root of 2523721367 is about 50236.6536206384. The cubic root of 2523721367 is about 1361.4879488573.

The spelling of 2523721367 in words is "two billion, five hundred twenty-three million, seven hundred twenty-one thousand, three hundred sixty-seven".