1357559 has 4 divisors (see below), whose sum is σ = 1551504. Its totient is φ = 1163616.

The previous prime is 1357549. The next prime is 1357561. The reversal of 1357559 is 9557531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9557531 = 137 ⋅69763.

It is a cyclic number.

It is not a de Polignac number, because 1357559 - 2¹² = 1353463 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 (1357549) 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, 96962 + ... + 96975.

It is an arithmetic number, because the mean of its divisors is an integer number (387876).

2^1357559 is an apocalyptic number.

1357559 is a deficient number, since it is larger than the sum of its proper divisors (193945).

1357559 is an equidigital number, since it uses as much as digits as its factorization.

1357559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193944.

The product of its digits is 23625, while the sum is 35.

The square root of 1357559 is about 1165.1433388215. The cubic root of 1357559 is about 110.7268396250.

The spelling of 1357559 in words is "one million, three hundred fifty-seven thousand, five hundred fifty-nine".