5013513121 has 2 divisors, whose sum is σ = 5013513122. Its totient is φ = 5013513120.

The previous prime is 5013513107. The next prime is 5013513133. The reversal of 5013513121 is 1213153105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2775182400 + 2238330721 = 52680^2 + 47311^2 .

It is a cyclic number.

It is not a de Polignac number, because 5013513121 - 2¹⁹ = 5012988833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5013513092 and 5013513101.

It is not a weakly prime, because it can be changed into another prime (5013513101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2506756560 + 2506756561.

It is an arithmetic number, because the mean of its divisors is an integer number (2506756561).

Almost surely, 2^5013513121 is an apocalyptic number.

It is an amenable number.

5013513121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5013513121 is an equidigital number, since it uses as much as digits as its factorization.

5013513121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 5013513121 is about 70806.1658402713. The cubic root of 5013513121 is about 1711.5150351074.

Adding to 5013513121 its reverse (1213153105), we get a palindrome (6226666226).

The spelling of 5013513121 in words is "five billion, thirteen million, five hundred thirteen thousand, one hundred twenty-one".