4525309 has 2 divisors, whose sum is σ = 4525310. Its totient is φ = 4525308.

The previous prime is 4525307. The next prime is 4525321. The reversal of 4525309 is 9035254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4347225 + 178084 = 2085^2 + 422^2 .

It is a cyclic number.

It is not a de Polignac number, because 4525309 - 2¹ = 4525307 is a prime.

Together with 4525307, it forms a pair of twin primes.

It is equal to p₃₁₇₅₇₅ and since 4525309 and 317575 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4525303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2262654 + 2262655.

It is an arithmetic number, because the mean of its divisors is an integer number (2262655).

Almost surely, 2^4525309 is an apocalyptic number.

It is an amenable number.

4525309 is a deficient number, since it is larger than the sum of its proper divisors (1).

4525309 is an equidigital number, since it uses as much as digits as its factorization.

4525309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 4525309 is about 2127.2773679048. The cubic root of 4525309 is about 165.4052968714.

The spelling of 4525309 in words is "four million, five hundred twenty-five thousand, three hundred nine".