1345357 has 8 divisors (see below), whose sum is σ = 1488536. Its totient is φ = 1207872.

The previous prime is 1345349. The next prime is 1345361. The reversal of 1345357 is 7535431.

It can be written as a sum of positive squares in 4 ways, for example, as 367236 + 978121 = 606^2 + 989^2 .

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 1345357 - 2³ = 1345349 is a prime.

It is a Duffinian number.

1345357 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345457) 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, 918 + ... + 1879.

It is an arithmetic number, because the mean of its divisors is an integer number (186067).

2^1345357 is an apocalyptic number.

It is an amenable number.

1345357 is a deficient number, since it is larger than the sum of its proper divisors (143179).

1345357 is a wasteful number, since it uses less digits than its factorization.

1345357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847.

The product of its digits is 6300, while the sum is 28.

The square root of 1345357 is about 1159.8952538915. The cubic root of 1345357 is about 110.3940960313.

The spelling of 1345357 in words is "one million, three hundred forty-five thousand, three hundred fifty-seven".