2021425541 has 8 divisors (see below), whose sum is σ = 2182049280. Its totient is φ = 1866863152.

The previous prime is 2021425513. The next prime is 2021425543. The reversal of 2021425541 is 1455241202.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2021425541 is a prime.

It is a super-2 number, since 2×2021425541² = 8172322435614285362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2021425541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021425543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1514645 + ... + 1515978.

It is an arithmetic number, because the mean of its divisors is an integer number (272756160).

Almost surely, 2^2021425541 is an apocalyptic number.

It is an amenable number.

2021425541 is a deficient number, since it is larger than the sum of its proper divisors (160623739).

2021425541 is a wasteful number, since it uses less digits than its factorization.

2021425541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3030675.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2021425541 is about 44960.2662469875. The cubic root of 2021425541 is about 1264.4041606427.

Adding to 2021425541 its reverse (1455241202), we get a palindrome (3476666743).

The spelling of 2021425541 in words is "two billion, twenty-one million, four hundred twenty-five thousand, five hundred forty-one".