577397 has 2 divisors, whose sum is σ = 577398. Its totient is φ = 577396.

The previous prime is 577387. The next prime is 577399. The reversal of 577397 is 793775.

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., 498436 + 78961 = 706^2 + 281^2 .

It is a cyclic number.

It is not a de Polignac number, because 577397 - 2⁶ = 577333 is a prime.

Together with 577399, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 577397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (577399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288698 + 288699.

It is an arithmetic number, because the mean of its divisors is an integer number (288699).

2⁵⁷⁷³⁹⁷ is an apocalyptic number.

It is an amenable number.

577397 is a deficient number, since it is larger than the sum of its proper divisors (1).

577397 is an equidigital number, since it uses as much as digits as its factorization.

577397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46305, while the sum is 38.

The square root of 577397 is about 759.8664356319. The cubic root of 577397 is about 83.2705642880.

The spelling of 577397 in words is "five hundred seventy-seven thousand, three hundred ninety-seven".