4937509 has 2 divisors, whose sum is σ = 4937510. Its totient is φ = 4937508.

The previous prime is 4937483. The next prime is 4937551. The reversal of 4937509 is 9057394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4937284 + 225 = 2222^2 + 15^2 .

It is a cyclic number.

It is not a de Polignac number, because 4937509 - 2⁷ = 4937381 is a prime.

4937509 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4938509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2468754 + 2468755.

It is an arithmetic number, because the mean of its divisors is an integer number (2468755).

Almost surely, 2^4937509 is an apocalyptic number.

It is an amenable number.

4937509 is a deficient number, since it is larger than the sum of its proper divisors (1).

4937509 is an equidigital number, since it uses as much as digits as its factorization.

4937509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 4937509 is about 2222.0506294862. The cubic root of 4937509 is about 170.2822186547.

Subtracting 4937509 from its reverse (9057394), we obtain a triangular number (4119885 = T₂₈₇₀).

The spelling of 4937509 in words is "four million, nine hundred thirty-seven thousand, five hundred nine".