1353561 has 8 divisors (see below), whose sum is σ = 1968864. Its totient is φ = 820320.

The previous prime is 1353551. The next prime is 1353581. The reversal of 1353561 is 1653531.

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

It is not a de Polignac number, because 1353561 - 2⁷ = 1353433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1353551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20476 + ... + 20541.

It is an arithmetic number, because the mean of its divisors is an integer number (246108).

2^1353561 is an apocalyptic number.

1353561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1353561 is a deficient number, since it is larger than the sum of its proper divisors (615303).

1353561 is a wasteful number, since it uses less digits than its factorization.

1353561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41031.

The product of its digits is 1350, while the sum is 24.

The square root of 1353561 is about 1163.4264050639. The cubic root of 1353561 is about 110.6180362050.

The spelling of 1353561 in words is "one million, three hundred fifty-three thousand, five hundred sixty-one".