36041561 has 4 divisors (see below), whose sum is σ = 37204224. Its totient is φ = 34878900.

The previous prime is 36041557. The next prime is 36041569. The reversal of 36041561 is 16514063.

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 36041561 - 2² = 36041557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 36041561.

It is not an unprimeable number, because it can be changed into a prime (36041569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 581285 + ... + 581346.

It is an arithmetic number, because the mean of its divisors is an integer number (9301056).

Almost surely, 2^36041561 is an apocalyptic number.

36041561 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36041561 is a deficient number, since it is larger than the sum of its proper divisors (1162663).

36041561 is a wasteful number, since it uses less digits than its factorization.

36041561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162662.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 36041561 is about 6003.4624176387. The cubic root of 36041561 is about 330.3197421323.

The spelling of 36041561 in words is "thirty-six million, forty-one thousand, five hundred sixty-one".