4099251 has 16 divisors (see below), whose sum is σ = 5957280. Its totient is φ = 2492160.

The previous prime is 4099247. The next prime is 4099259. The reversal of 4099251 is 1529904.

It is a happy number.

It is not a de Polignac number, because 4099251 - 2² = 4099247 is a prime.

It is a super-2 number, since 2×4099251² = 33607717522002, which contains 22 as substring.

It is an Ulam number.

4099251 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4099259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2881 + ... + 4061.

It is an arithmetic number, because the mean of its divisors is an integer number (372330).

Almost surely, 2^4099251 is an apocalyptic number.

4099251 is a deficient number, since it is larger than the sum of its proper divisors (1858029).

4099251 is a wasteful number, since it uses less digits than its factorization.

4099251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 4099251 is about 2024.6607123170. The cubic root of 4099251 is about 160.0423195348.

The spelling of 4099251 in words is "four million, ninety-nine thousand, two hundred fifty-one".