4091357 has 2 divisors, whose sum is σ = 4091358. Its totient is φ = 4091356.

The previous prime is 4091323. The next prime is 4091369. The reversal of 4091357 is 7531904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3556996 + 534361 = 1886^2 + 731^2 .

It is a cyclic number.

It is not a de Polignac number, because 4091357 - 2⁶ = 4091293 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4091317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2045678 + 2045679.

It is an arithmetic number, because the mean of its divisors is an integer number (2045679).

Almost surely, 2^4091357 is an apocalyptic number.

It is an amenable number.

4091357 is a deficient number, since it is larger than the sum of its proper divisors (1).

4091357 is an equidigital number, since it uses as much as digits as its factorization.

4091357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 4091357 is about 2022.7103104498. The cubic root of 4091357 is about 159.9395214133.

The spelling of 4091357 in words is "four million, ninety-one thousand, three hundred fifty-seven".