1350561 has 8 divisors (see below), whose sum is σ = 1810944. Its totient is φ = 895280.

The previous prime is 1350553. The next prime is 1350563. The reversal of 1350561 is 1650531.

It is a happy number.

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 1350561 - 2³ = 1350553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1350563) 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, 606 + ... + 1751.

It is an arithmetic number, because the mean of its divisors is an integer number (226368).

2^1350561 is an apocalyptic number.

It is an amenable number.

1350561 is a deficient number, since it is larger than the sum of its proper divisors (460383).

1350561 is a wasteful number, since it uses less digits than its factorization.

1350561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1350561 is about 1162.1363947489. The cubic root of 1350561 is about 110.5362520367.

The spelling of 1350561 in words is "one million, three hundred fifty thousand, five hundred sixty-one".