4525849 has 2 divisors, whose sum is σ = 4525850. Its totient is φ = 4525848.

The previous prime is 4525847. The next prime is 4525861. The reversal of 4525849 is 9485254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3610000 + 915849 = 1900^2 + 957^2 .

It is a cyclic number.

It is not a de Polignac number, because 4525849 - 2¹ = 4525847 is a prime.

Together with 4525847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (4525841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2262924 + 2262925.

It is an arithmetic number, because the mean of its divisors is an integer number (2262925).

Almost surely, 2^4525849 is an apocalyptic number.

It is an amenable number.

4525849 is a deficient number, since it is larger than the sum of its proper divisors (1).

4525849 is an equidigital number, since it uses as much as digits as its factorization.

4525849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 37.

The square root of 4525849 is about 2127.4042869187. The cubic root of 4525849 is about 165.4118758187.

The spelling of 4525849 in words is "four million, five hundred twenty-five thousand, eight hundred forty-nine".