45035621 has 4 divisors (see below), whose sum is σ = 45140544. Its totient is φ = 44930700.

The previous prime is 45035611. The next prime is 45035657. The reversal of 45035621 is 12653054.

45035621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 12653054 = 2 ⋅6326527.

It is a cyclic number.

It is not a de Polignac number, because 45035621 - 2¹⁰ = 45034597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45035611) 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 3 ways as a sum of consecutive naturals, for example, 51815 + ... + 52676.

It is an arithmetic number, because the mean of its divisors is an integer number (11285136).

Almost surely, 2^45035621 is an apocalyptic number.

It is an amenable number.

45035621 is a deficient number, since it is larger than the sum of its proper divisors (104923).

45035621 is a wasteful number, since it uses less digits than its factorization.

45035621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104922.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 45035621 is about 6710.8584398719. The cubic root of 45035621 is about 355.7831576195.

Adding to 45035621 its reverse (12653054), we get a palindrome (57688675).

The spelling of 45035621 in words is "forty-five million, thirty-five thousand, six hundred twenty-one".