2021051522 has 8 divisors (see below), whose sum is σ = 3464659776. Its totient is φ = 866164932.

The previous prime is 2021051519. The next prime is 2021051533. The reversal of 2021051522 is 2251501202.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 2021051494 and 2021051503.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72180398 + ... + 72180425.

It is an arithmetic number, because the mean of its divisors is an integer number (433082472).

Almost surely, 2^2021051522 is an apocalyptic number.

2021051522 is a deficient number, since it is larger than the sum of its proper divisors (1443608254).

2021051522 is a wasteful number, since it uses less digits than its factorization.

2021051522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144360832.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 2021051522 is about 44956.1066152308. The cubic root of 2021051522 is about 1264.3261727178.

Adding to 2021051522 its reverse (2251501202), we get a palindrome (4272552724).

The spelling of 2021051522 in words is "two billion, twenty-one million, fifty-one thousand, five hundred twenty-two".