2628101 has 4 divisors (see below), whose sum is σ = 3003552. Its totient is φ = 2252652.

The previous prime is 2628089. The next prime is 2628103. The reversal of 2628101 is 1018262.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2628101 is a prime.

It is a super-3 number, since 3×2628101³ = 54456209600333142903, which contains 333 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 (2628103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187715 + ... + 187728.

It is an arithmetic number, because the mean of its divisors is an integer number (750888).

2^2628101 is an apocalyptic number.

It is an amenable number.

2628101 is a deficient number, since it is larger than the sum of its proper divisors (375451).

2628101 is an equidigital number, since it uses as much as digits as its factorization.

2628101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375450.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 2628101 is about 1621.1418815144. The cubic root of 2628101 is about 138.0005075946. Note that the first 3 decimals are identical.

The spelling of 2628101 in words is "two million, six hundred twenty-eight thousand, one hundred one".