3957240041 has 2 divisors, whose sum is σ = 3957240042. Its totient is φ = 3957240040.

The previous prime is 3957240031. The next prime is 3957240043. The reversal of 3957240041 is 1400427593.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3644657641 + 312582400 = 60371^2 + 17680^2 .

It is a cyclic number.

It is not a de Polignac number, because 3957240041 - 2¹⁴ = 3957223657 is a prime.

Together with 3957240043, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 3957239983 and 3957240010.

It is not a weakly prime, because it can be changed into another prime (3957240043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1978620020 + 1978620021.

It is an arithmetic number, because the mean of its divisors is an integer number (1978620021).

Almost surely, 2^3957240041 is an apocalyptic number.

It is an amenable number.

3957240041 is a deficient number, since it is larger than the sum of its proper divisors (1).

3957240041 is an equidigital number, since it uses as much as digits as its factorization.

3957240041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 3957240041 is about 62906.5977541307. The cubic root of 3957240041 is about 1581.7243420083.

The spelling of 3957240041 in words is "three billion, nine hundred fifty-seven million, two hundred forty thousand, forty-one".