4090251 has 32 divisors (see below), whose sum is σ = 6594048. Its totient is φ = 2224640.

The previous prime is 4090243. The next prime is 4090253. The reversal of 4090251 is 1520904.

It is not a de Polignac number, because 4090251 - 2³ = 4090243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4090253) 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 31 ways as a sum of consecutive naturals, for example, 12745 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (206064).

Almost surely, 2^4090251 is an apocalyptic number.

4090251 is a deficient number, since it is larger than the sum of its proper divisors (2503797).

4090251 is a wasteful number, since it uses less digits than its factorization.

4090251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 4090251 is about 2022.4368964198. The cubic root of 4090251 is about 159.9251081797.

The spelling of 4090251 in words is "four million, ninety thousand, two hundred fifty-one".