2021025523 has 8 divisors (see below), whose sum is σ = 2225361600. Its totient is φ = 1820123880.

The previous prime is 2021025509. The next prime is 2021025541. The reversal of 2021025523 is 3255201202.

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 2021025523 - 2¹³ = 2021017331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2021025494 and 2021025503.

It is not an unprimeable number, because it can be changed into a prime (2021025553) 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, 857373 + ... + 859726.

It is an arithmetic number, because the mean of its divisors is an integer number (278170200).

Almost surely, 2^2021025523 is an apocalyptic number.

2021025523 is a deficient number, since it is larger than the sum of its proper divisors (204336077).

2021025523 is a wasteful number, since it uses less digits than its factorization.

2021025523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717217.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2021025523 is about 44955.8174544741. The cubic root of 2021025523 is about 1264.3207512236.

Adding to 2021025523 its reverse (3255201202), we get a palindrome (5276226725).

The spelling of 2021025523 in words is "two billion, twenty-one million, twenty-five thousand, five hundred twenty-three".