36454621 has 4 divisors (see below), whose sum is σ = 41662432. Its totient is φ = 31246812.

The previous prime is 36454589. The next prime is 36454631. The reversal of 36454621 is 12645463.

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: 12645463 = 877 ⋅14419.

It is a cyclic number.

It is not a de Polignac number, because 36454621 - 2⁵ = 36454589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36454631) 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, 2603895 + ... + 2603908.

It is an arithmetic number, because the mean of its divisors is an integer number (10415608).

Almost surely, 2^36454621 is an apocalyptic number.

It is an amenable number.

36454621 is a deficient number, since it is larger than the sum of its proper divisors (5207811).

36454621 is an equidigital number, since it uses as much as digits as its factorization.

36454621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5207810.

The product of its digits is 17280, while the sum is 31.

The square root of 36454621 is about 6037.7662260144. The cubic root of 36454621 is about 331.5768457338.

It can be divided in two parts, 3645462 and 1, that added together give a palindrome (3645463).

The spelling of 36454621 in words is "thirty-six million, four hundred fifty-four thousand, six hundred twenty-one".