403057 has 2 divisors, whose sum is σ = 403058. Its totient is φ = 403056.

The previous prime is 403049. The next prime is 403061. The reversal of 403057 is 750304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 341056 + 62001 = 584^2 + 249^2 .

It is a cyclic number.

It is not a de Polignac number, because 403057 - 2³ = 403049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (403037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201528 + 201529.

It is an arithmetic number, because the mean of its divisors is an integer number (201529).

2⁴⁰³⁰⁵⁷ is an apocalyptic number.

It is an amenable number.

403057 is a deficient number, since it is larger than the sum of its proper divisors (1).

403057 is an equidigital number, since it uses as much as digits as its factorization.

403057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 403057 is about 634.8677027539. The cubic root of 403057 is about 73.8678552283.

The spelling of 403057 in words is "four hundred three thousand, fifty-seven".