5561513 has 2 divisors, whose sum is σ = 5561514. Its totient is φ = 5561512.

The previous prime is 5561497. The next prime is 5561519. The reversal of 5561513 is 3151655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4963984 + 597529 = 2228^2 + 773^2 .

It is a cyclic number.

It is not a de Polignac number, because 5561513 - 2⁴ = 5561497 is a prime.

It is equal to p₃₈₄₇₁₃ and since 5561513 and 384713 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (5561519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2780756 + 2780757.

It is an arithmetic number, because the mean of its divisors is an integer number (2780757).

Almost surely, 2^5561513 is an apocalyptic number.

It is an amenable number.

5561513 is a deficient number, since it is larger than the sum of its proper divisors (1).

5561513 is an equidigital number, since it uses as much as digits as its factorization.

5561513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2250, while the sum is 26.

The square root of 5561513 is about 2358.2860301499. The cubic root of 5561513 is about 177.1730462088.

The spelling of 5561513 in words is "five million, five hundred sixty-one thousand, five hundred thirteen".