1403057 has 2 divisors, whose sum is σ = 1403058. Its totient is φ = 1403056.

The previous prime is 1403021. The next prime is 1403071. The reversal of 1403057 is 7503041.

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., 839056 + 564001 = 916^2 + 751^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403057 - 2⁸ = 1402801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1403257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701528 + 701529.

It is an arithmetic number, because the mean of its divisors is an integer number (701529).

2^1403057 is an apocalyptic number.

It is an amenable number.

1403057 is a deficient number, since it is larger than the sum of its proper divisors (1).

1403057 is an equidigital number, since it uses as much as digits as its factorization.

1403057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 1403057 is about 1184.5070704728. The cubic root of 1403057 is about 111.9502595882.

Adding to 1403057 its reverse (7503041), we get a palindrome (8906098).

The spelling of 1403057 in words is "one million, four hundred three thousand, fifty-seven".