2445533021 has 8 divisors (see below), whose sum is σ = 2465764224. Its totient is φ = 2425325760.

The previous prime is 2445532993. The next prime is 2445533071. The reversal of 2445533021 is 1203355442.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2445533021 - 2¹⁴ = 2445516637 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 (2445533071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240380 + ... + 250346.

It is an arithmetic number, because the mean of its divisors is an integer number (308220528).

Almost surely, 2^2445533021 is an apocalyptic number.

It is an amenable number.

2445533021 is a deficient number, since it is larger than the sum of its proper divisors (20231203).

2445533021 is a wasteful number, since it uses less digits than its factorization.

2445533021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11971.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 2445533021 is about 49452.3307944125. The cubic root of 2445533021 is about 1347.2799407957.

Adding to 2445533021 its reverse (1203355442), we get a palindrome (3648888463).

The spelling of 2445533021 in words is "two billion, four hundred forty-five million, five hundred thirty-three thousand, twenty-one".