5435561 has 4 divisors (see below), whose sum is σ = 5469072. Its totient is φ = 5402052.

The previous prime is 5435543. The next prime is 5435569. The reversal of 5435561 is 1655345.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5435561 - 2¹⁰ = 5434537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5435569) 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 3 ways as a sum of consecutive naturals, for example, 16511 + ... + 16836.

It is an arithmetic number, because the mean of its divisors is an integer number (1367268).

Almost surely, 2^5435561 is an apocalyptic number.

It is an amenable number.

5435561 is a deficient number, since it is larger than the sum of its proper divisors (33511).

5435561 is a wasteful number, since it uses less digits than its factorization.

5435561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33510.

The product of its digits is 9000, while the sum is 29.

The square root of 5435561 is about 2331.4289609594. The cubic root of 5435561 is about 175.8253367931.

The spelling of 5435561 in words is "five million, four hundred thirty-five thousand, five hundred sixty-one".