4045251 has 8 divisors (see below), whose sum is σ = 6164224. Its totient is φ = 2311560.

The previous prime is 4045229. The next prime is 4045253. The reversal of 4045251 is 1525404.

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

It is not a de Polignac number, because 4045251 - 2⁵ = 4045219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 192631 = 4045251 / (4 + 0 + 4 + 5 + 2 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4045253) 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, 96295 + ... + 96336.

It is an arithmetic number, because the mean of its divisors is an integer number (770528).

Almost surely, 2^4045251 is an apocalyptic number.

4045251 is a deficient number, since it is larger than the sum of its proper divisors (2118973).

4045251 is a wasteful number, since it uses less digits than its factorization.

4045251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192641.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 4045251 is about 2011.2809351257. The cubic root of 4045251 is about 159.3364577311.

The spelling of 4045251 in words is "four million, forty-five thousand, two hundred fifty-one".