4240981 has 2 divisors, whose sum is σ = 4240982. Its totient is φ = 4240980.

The previous prime is 4240969. The next prime is 4240991. The reversal of 4240981 is 1890424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4223025 + 17956 = 2055^2 + 134^2 .

It is a cyclic number.

It is not a de Polignac number, because 4240981 - 2⁷ = 4240853 is a prime.

It is a super-2 number, since 2×4240981² = 35971839684722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4240991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2120490 + 2120491.

It is an arithmetic number, because the mean of its divisors is an integer number (2120491).

Almost surely, 2^4240981 is an apocalyptic number.

It is an amenable number.

4240981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4240981 is an equidigital number, since it uses as much as digits as its factorization.

4240981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 4240981 is about 2059.3642222783. The cubic root of 4240981 is about 161.8659282941.

The spelling of 4240981 in words is "four million, two hundred forty thousand, nine hundred eighty-one".