2100255451 has 8 divisors (see below), whose sum is σ = 2403928544. Its totient is φ = 1797491520.

The previous prime is 2100255439. The next prime is 2100255467. The reversal of 2100255451 is 1545520012.

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 2100255451 - 2¹¹ = 2100253403 is a prime.

It is a super-2 number, since 2×2100255451² = 8822145918910426802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100255431) 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, 222330 + ... + 231583.

It is an arithmetic number, because the mean of its divisors is an integer number (300491068).

Almost surely, 2^2100255451 is an apocalyptic number.

2100255451 is a deficient number, since it is larger than the sum of its proper divisors (303673093).

2100255451 is an equidigital number, since it uses as much as digits as its factorization.

2100255451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454581.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 2100255451 is about 45828.5440637164. The cubic root of 2100255451 is about 1280.6310875216.

Adding to 2100255451 its reverse (1545520012), we get a palindrome (3645775463).

The spelling of 2100255451 in words is "two billion, one hundred million, two hundred fifty-five thousand, four hundred fifty-one".