4245881 has 2 divisors, whose sum is σ = 4245882. Its totient is φ = 4245880.

The previous prime is 4245851. The next prime is 4245907. The reversal of 4245881 is 1885424.

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., 4239481 + 6400 = 2059^2 + 80^2 .

It is a cyclic number.

It is not a de Polignac number, because 4245881 - 2²² = 51577 is a prime.

It is a super-2 number, since 2×4245881² = 36055010932322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4245811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2122940 + 2122941.

It is an arithmetic number, because the mean of its divisors is an integer number (2122941).

Almost surely, 2^4245881 is an apocalyptic number.

It is an amenable number.

4245881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4245881 is an equidigital number, since it uses as much as digits as its factorization.

4245881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10240, while the sum is 32.

The square root of 4245881 is about 2060.5535663991. The cubic root of 4245881 is about 161.9282438905.

The spelling of 4245881 in words is "four million, two hundred forty-five thousand, eight hundred eighty-one".