1355457 has 8 divisors (see below), whose sum is σ = 1821600. Its totient is φ = 896480.

The previous prime is 1355449. The next prime is 1355483. The reversal of 1355457 is 7545531.

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

It is a cyclic number.

It is not a de Polignac number, because 1355457 - 2³ = 1355449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1355447) 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, 1332 + ... + 2117.

It is an arithmetic number, because the mean of its divisors is an integer number (227700).

2^1355457 is an apocalyptic number.

It is an amenable number.

1355457 is a deficient number, since it is larger than the sum of its proper divisors (466143).

1355457 is a wasteful number, since it uses less digits than its factorization.

1355457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583.

The product of its digits is 10500, while the sum is 30.

The square root of 1355457 is about 1164.2409544420. The cubic root of 1355457 is about 110.6696614970.

The spelling of 1355457 in words is "one million, three hundred fifty-five thousand, four hundred fifty-seven".