1457503 has 2 divisors, whose sum is σ = 1457504. Its totient is φ = 1457502.

The previous prime is 1457501. The next prime is 1457513. The reversal of 1457503 is 3057541.

It is a weak prime.

It is an emirp because it is prime and its reverse (3057541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1457503 - 2¹ = 1457501 is a prime.

Together with 1457501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1457501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 728751 + 728752.

It is an arithmetic number, because the mean of its divisors is an integer number (728752).

2^1457503 is an apocalyptic number.

1457503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1457503 is an equidigital number, since it uses as much as digits as its factorization.

1457503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 1457503 is about 1207.2708892374. The cubic root of 1457503 is about 113.3800086484.

The spelling of 1457503 in words is "one million, four hundred fifty-seven thousand, five hundred three".