36561051 has 24 divisors (see below), whose sum is σ = 56056000. Its totient is φ = 23800392.

The previous prime is 36561023. The next prime is 36561071. The reversal of 36561051 is 15016563.

It is a happy number.

36561051 is a `hidden beast` number, since 3 + 656 + 1 + 0 + 5 + 1 = 666.

36561051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36561051 - 2¹⁴ = 36544667 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36561011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8700 + ... + 12198.

Almost surely, 2^36561051 is an apocalyptic number.

36561051 is a deficient number, since it is larger than the sum of its proper divisors (19494949).

36561051 is an equidigital number, since it uses as much as digits as its factorization.

36561051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3557 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 36561051 is about 6046.5734924832. The cubic root of 36561051 is about 331.8992139759.

It can be divided in two parts, 365 and 61051, that added together give a palindrome (61416).

The spelling of 36561051 in words is "thirty-six million, five hundred sixty-one thousand, fifty-one".