5821957 has 2 divisors, whose sum is σ = 5821958. Its totient is φ = 5821956.

The previous prime is 5821951. The next prime is 5821979. The reversal of 5821957 is 7591285.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4186116 + 1635841 = 2046^2 + 1279^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5821957 is a prime.

5821957 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5821951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2910978 + 2910979.

It is an arithmetic number, because the mean of its divisors is an integer number (2910979).

Almost surely, 2^5821957 is an apocalyptic number.

It is an amenable number.

5821957 is a deficient number, since it is larger than the sum of its proper divisors (1).

5821957 is an equidigital number, since it uses as much as digits as its factorization.

5821957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 37.

The square root of 5821957 is about 2412.8731835718. The cubic root of 5821957 is about 179.8966175888.

The spelling of 5821957 in words is "five million, eight hundred twenty-one thousand, nine hundred fifty-seven".