1258493 has 8 divisors (see below), whose sum is σ = 1343160. Its totient is φ = 1175040.

The previous prime is 1258487. The next prime is 1258511. The reversal of 1258493 is 3948521.

It can be written as a sum of positive squares in 4 ways, for example, as 232324 + 1026169 = 482^2 + 1013^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1258493 - 2⁶ = 1258429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1258403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2873 + ... + 3281.

It is an arithmetic number, because the mean of its divisors is an integer number (167895).

2^1258493 is an apocalyptic number.

It is an amenable number.

1258493 is a deficient number, since it is larger than the sum of its proper divisors (84667).

1258493 is a wasteful number, since it uses less digits than its factorization.

1258493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607.

The product of its digits is 8640, while the sum is 32.

The square root of 1258493 is about 1121.8257440441. The cubic root of 1258493 is about 107.9651522230.

The spelling of 1258493 in words is "one million, two hundred fifty-eight thousand, four hundred ninety-three".