2521214513 has 2 divisors, whose sum is σ = 2521214514. Its totient is φ = 2521214512.

The previous prime is 2521214503. The next prime is 2521214537. The reversal of 2521214513 is 3154121252.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1624331809 + 896882704 = 40303^2 + 29948^2 .

It is a cyclic number.

It is not a de Polignac number, because 2521214513 - 2²⁸ = 2252779057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2521214503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1260607256 + 1260607257.

It is an arithmetic number, because the mean of its divisors is an integer number (1260607257).

Almost surely, 2^2521214513 is an apocalyptic number.

It is an amenable number.

2521214513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2521214513 is an equidigital number, since it uses as much as digits as its factorization.

2521214513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2400, while the sum is 26.

The square root of 2521214513 is about 50211.6969739124. The cubic root of 2521214513 is about 1361.0370033792.

Adding to 2521214513 its reverse (3154121252), we get a palindrome (5675335765).

The spelling of 2521214513 in words is "two billion, five hundred twenty-one million, two hundred fourteen thousand, five hundred thirteen".