36321641 has 4 divisors (see below), whose sum is σ = 36338832. Its totient is φ = 36304452.

The previous prime is 36321631. The next prime is 36321643. The reversal of 36321641 is 14612363.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14612363 = 1031 ⋅14173.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36321641 is a prime.

It is a super-3 number, since 3×36321641³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 36321641.

It is not an unprimeable number, because it can be changed into a prime (36321643) 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, 4895 + ... + 9828.

It is an arithmetic number, because the mean of its divisors is an integer number (9084708).

Almost surely, 2^36321641 is an apocalyptic number.

It is an amenable number.

36321641 is a deficient number, since it is larger than the sum of its proper divisors (17191).

36321641 is a wasteful number, since it uses less digits than its factorization.

36321641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17190.

The product of its digits is 2592, while the sum is 26.

The square root of 36321641 is about 6026.7438140342. The cubic root of 36321641 is about 331.1731766310.

The spelling of 36321641 in words is "thirty-six million, three hundred twenty-one thousand, six hundred forty-one".