2028001357 has 8 divisors (see below), whose sum is σ = 2034202680. Its totient is φ = 2021809920.

The previous prime is 2028001351. The next prime is 2028001361. The reversal of 2028001357 is 7531008202.

It can be written as a sum of positive squares in 4 ways, for example, as 1110916 + 2026890441 = 1054^2 + 45021^2 .

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-2028001357 is a prime.

It is a super-2 number, since 2×2028001357² = 8225579007987682898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2028001351) 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, 630369 + ... + 633577.

It is an arithmetic number, because the mean of its divisors is an integer number (254275335).

Almost surely, 2^2028001357 is an apocalyptic number.

It is an amenable number.

2028001357 is a deficient number, since it is larger than the sum of its proper divisors (6201323).

2028001357 is a wasteful number, since it uses less digits than its factorization.

2028001357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 2028001357 is about 45033.3360634097. The cubic root of 2028001357 is about 1265.7737369408.

Adding to 2028001357 its reverse (7531008202), we get a palindrome (9559009559).

The spelling of 2028001357 in words is "two billion, twenty-eight million, one thousand, three hundred fifty-seven".