1457493 has 4 divisors (see below), whose sum is σ = 1943328. Its totient is φ = 971660.

The previous prime is 1457483. The next prime is 1457497. The reversal of 1457493 is 3947541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1457493 - 2⁶ = 1457429 is a prime.

It is a D-number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1457497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242913 + ... + 242918.

It is an arithmetic number, because the mean of its divisors is an integer number (485832).

2^1457493 is an apocalyptic number.

It is an amenable number.

1457493 is a deficient number, since it is larger than the sum of its proper divisors (485835).

1457493 is an equidigital number, since it uses as much as digits as its factorization.

1457493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485834.

The product of its digits is 15120, while the sum is 33.

The square root of 1457493 is about 1207.2667476577. The cubic root of 1457493 is about 113.3797493459.

The spelling of 1457493 in words is "one million, four hundred fifty-seven thousand, four hundred ninety-three".