4999523 has 2 divisors, whose sum is σ = 4999524. Its totient is φ = 4999522.

The previous prime is 4999507. The next prime is 4999529. The reversal of 4999523 is 3259994.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4999523 - 2⁴ = 4999507 is a prime.

It is a Sophie Germain prime.

It is a d-powerful number, because it can be written as 4³ + 9 + 9⁴ + 9⁷ + 5 + 2¹⁵ + 3¹¹ .

It is not a weakly prime, because it can be changed into another prime (4999529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2499761 + 2499762.

It is an arithmetic number, because the mean of its divisors is an integer number (2499762).

Almost surely, 2^4999523 is an apocalyptic number.

4999523 is a deficient number, since it is larger than the sum of its proper divisors (1).

4999523 is an equidigital number, since it uses as much as digits as its factorization.

4999523 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87480, while the sum is 41.

The square root of 4999523 is about 2235.9613145133. The cubic root of 4999523 is about 170.9921567712.

The spelling of 4999523 in words is "four million, nine hundred ninety-nine thousand, five hundred twenty-three".