5185949 has 2 divisors, whose sum is σ = 5185950. Its totient is φ = 5185948.

The previous prime is 5185937. The next prime is 5185979. The reversal of 5185949 is 9495815.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5040025 + 145924 = 2245^2 + 382^2 .

It is a cyclic number.

It is not a de Polignac number, because 5185949 - 2¹⁶ = 5120413 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 5⁴ + 1 + 8⁶ + 5⁶ + 9⁵ + 4⁸ + 9⁷ .

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5185919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2592974 + 2592975.

It is an arithmetic number, because the mean of its divisors is an integer number (2592975).

Almost surely, 2^5185949 is an apocalyptic number.

It is an amenable number.

5185949 is a deficient number, since it is larger than the sum of its proper divisors (1).

5185949 is an equidigital number, since it uses as much as digits as its factorization.

5185949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 41.

The square root of 5185949 is about 2277.2678805973. The cubic root of 5185949 is about 173.0916351052.

The spelling of 5185949 in words is "five million, one hundred eighty-five thousand, nine hundred forty-nine".