4245541 has 2 divisors, whose sum is σ = 4245542. Its totient is φ = 4245540.

The previous prime is 4245517. The next prime is 4245551. The reversal of 4245541 is 1455424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2313441 + 1932100 = 1521^2 + 1390^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245541 - 2⁷ = 4245413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4245511) 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, 2122770 + 2122771.

It is an arithmetic number, because the mean of its divisors is an integer number (2122771).

Almost surely, 2^4245541 is an apocalyptic number.

It is an amenable number.

4245541 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245541 is an equidigital number, since it uses as much as digits as its factorization.

4245541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3200, while the sum is 25.

The square root of 4245541 is about 2060.4710626456. The cubic root of 4245541 is about 161.9239214995.

The spelling of 4245541 in words is "four million, two hundred forty-five thousand, five hundred forty-one".