2522251513 has 4 divisors (see below), whose sum is σ = 2523116160. Its totient is φ = 2521386868.

The previous prime is 2522251453. The next prime is 2522251517. The reversal of 2522251513 is 3151522252.

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 2522251513 - 2²¹ = 2520154361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2522251517) 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, 427933 + ... + 433786.

It is an arithmetic number, because the mean of its divisors is an integer number (630779040).

Almost surely, 2^2522251513 is an apocalyptic number.

It is an amenable number.

2522251513 is a deficient number, since it is larger than the sum of its proper divisors (864647).

2522251513 is an equidigital number, since it uses as much as digits as its factorization.

2522251513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864646.

The product of its digits is 6000, while the sum is 28.

The square root of 2522251513 is about 50222.0221914650. The cubic root of 2522251513 is about 1361.2235803778.

Adding to 2522251513 its reverse (3151522252), we get a palindrome (5673773765).

The spelling of 2522251513 in words is "two billion, five hundred twenty-two million, two hundred fifty-one thousand, five hundred thirteen".