5201613509 has 2 divisors, whose sum is σ = 5201613510. Its totient is φ = 5201613508.

The previous prime is 5201613481. The next prime is 5201613517. The reversal of 5201613509 is 9053161025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5201582884 + 30625 = 72122^2 + 175^2 .

It is a cyclic number.

It is not a de Polignac number, because 5201613509 - 2⁸ = 5201613253 is a prime.

It is a super-2 number, since 2×5201613509² = 54113566194022586162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5201613559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600806754 + 2600806755.

It is an arithmetic number, because the mean of its divisors is an integer number (2600806755).

Almost surely, 2^5201613509 is an apocalyptic number.

It is an amenable number.

5201613509 is a deficient number, since it is larger than the sum of its proper divisors (1).

5201613509 is an equidigital number, since it uses as much as digits as its factorization.

5201613509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 5201613509 is about 72122.2123135446. The cubic root of 5201613509 is about 1732.6573824837.

The spelling of 5201613509 in words is "five billion, two hundred one million, six hundred thirteen thousand, five hundred nine".