35540561 has 16 divisors (see below), whose sum is σ = 41529984. Its totient is φ = 29787264.

The previous prime is 35540537. The next prime is 35540567. The reversal of 35540561 is 16504553.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-35540561 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (35540567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80006 + ... + 80448.

It is an arithmetic number, because the mean of its divisors is an integer number (2595624).

Almost surely, 2^35540561 is an apocalyptic number.

It is an amenable number.

35540561 is a deficient number, since it is larger than the sum of its proper divisors (5989423).

35540561 is a wasteful number, since it uses less digits than its factorization.

35540561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680.

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

The square root of 35540561 is about 5961.5904757036. The cubic root of 35540561 is about 328.7820453854.

The spelling of 35540561 in words is "thirty-five million, five hundred forty thousand, five hundred sixty-one".