35542561 has 4 divisors (see below), whose sum is σ = 35557632. Its totient is φ = 35527492.

The previous prime is 35542537. The next prime is 35542571. The reversal of 35542561 is 16524553.

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 a de Polignac number, because none of the positive numbers 2^k-35542561 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (35542501) 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, 3145 + ... + 8998.

It is an arithmetic number, because the mean of its divisors is an integer number (8889408).

Almost surely, 2^35542561 is an apocalyptic number.

It is an amenable number.

35542561 is a deficient number, since it is larger than the sum of its proper divisors (15071).

35542561 is a wasteful number, since it uses less digits than its factorization.

35542561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070.

The product of its digits is 18000, while the sum is 31.

The square root of 35542561 is about 5961.7582138158. The cubic root of 35542561 is about 328.7882125340.

The spelling of 35542561 in words is "thirty-five million, five hundred forty-two thousand, five hundred sixty-one".