4525121 has 2 divisors, whose sum is σ = 4525122. Its totient is φ = 4525120.

The previous prime is 4525117. The next prime is 4525139. The reversal of 4525121 is 1215254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3474496 + 1050625 = 1864^2 + 1025^2 .

It is a cyclic number.

It is not a de Polignac number, because 4525121 - 2² = 4525117 is a prime.

It is a Chen prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4525093 and 4525102.

It is not a weakly prime, because it can be changed into another prime (4525151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2262560 + 2262561.

It is an arithmetic number, because the mean of its divisors is an integer number (2262561).

Almost surely, 2^4525121 is an apocalyptic number.

It is an amenable number.

4525121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4525121 is an equidigital number, since it uses as much as digits as its factorization.

4525121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 400, while the sum is 20.

The square root of 4525121 is about 2127.2331795081. The cubic root of 4525121 is about 165.4030063003.

The spelling of 4525121 in words is "four million, five hundred twenty-five thousand, one hundred twenty-one".