5209537 has 2 divisors, whose sum is σ = 5209538. Its totient is φ = 5209536.

The previous prime is 5209517. The next prime is 5209541. The reversal of 5209537 is 7359025.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3964081 + 1245456 = 1991^2 + 1116^2 .

It is a cyclic number.

It is not a de Polignac number, because 5209537 - 2⁷ = 5209409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5209499 and 5209508.

It is not a weakly prime, because it can be changed into another prime (5209507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2604768 + 2604769.

It is an arithmetic number, because the mean of its divisors is an integer number (2604769).

Almost surely, 2^5209537 is an apocalyptic number.

It is an amenable number.

5209537 is a deficient number, since it is larger than the sum of its proper divisors (1).

5209537 is an equidigital number, since it uses as much as digits as its factorization.

5209537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 31.

The square root of 5209537 is about 2282.4410178579. The cubic root of 5209537 is about 173.3536707728.

The spelling of 5209537 in words is "five million, two hundred nine thousand, five hundred thirty-seven".