1457523 has 6 divisors (see below), whose sum is σ = 2105324. Its totient is φ = 971676.

The previous prime is 1457513. The next prime is 1457551. The reversal of 1457523 is 3257541.

It is a happy number.

It is not a de Polignac number, because 1457523 - 2⁶ = 1457459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1457503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 80965 + ... + 80982.

2^1457523 is an apocalyptic number.

1457523 is a deficient number, since it is larger than the sum of its proper divisors (647801).

1457523 is a wasteful number, since it uses less digits than its factorization.

1457523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161953 (or 161950 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 1457523 is about 1207.2791723541. The cubic root of 1457523 is about 113.3805272500.

The spelling of 1457523 in words is "one million, four hundred fifty-seven thousand, five hundred twenty-three".