1379503 has 2 divisors, whose sum is σ = 1379504. Its totient is φ = 1379502.

The previous prime is 1379491. The next prime is 1379509. The reversal of 1379503 is 3059731.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1379503 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1379509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689751 + 689752.

It is an arithmetic number, because the mean of its divisors is an integer number (689752).

2^1379503 is an apocalyptic number.

1379503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1379503 is an equidigital number, since it uses as much as digits as its factorization.

1379503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 1379503 is about 1174.5224561497. The cubic root of 1379503 is about 111.3202611335.

The spelling of 1379503 in words is "one million, three hundred seventy-nine thousand, five hundred three".