2100254 has 8 divisors (see below), whose sum is σ = 3392760. Its totient is φ = 969336.

The previous prime is 2100253. The next prime is 2100257. The reversal of 2100254 is 4520012.

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

It is a super-2 number, since 2×2100254² = 8822133729032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100253) 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, 40364 + ... + 40415.

It is an arithmetic number, because the mean of its divisors is an integer number (424095).

2^2100254 is an apocalyptic number.

2100254 is a deficient number, since it is larger than the sum of its proper divisors (1292506).

2100254 is a wasteful number, since it uses less digits than its factorization.

2100254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80794.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2100254 is about 1449.2253102951. The cubic root of 2100254 is about 128.0630792606.

Adding to 2100254 its reverse (4520012), we get a palindrome (6620266).

The spelling of 2100254 in words is "two million, one hundred thousand, two hundred fifty-four".