4051791 has 6 divisors (see below), whose sum is σ = 5852600. Its totient is φ = 2701188.

The previous prime is 4051781. The next prime is 4051813. The reversal of 4051791 is 1971504.

It is not a de Polignac number, because 4051791 - 2⁶ = 4051727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4051741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 225091 + ... + 225108.

Almost surely, 2^4051791 is an apocalyptic number.

4051791 is a deficient number, since it is larger than the sum of its proper divisors (1800809).

4051791 is a wasteful number, since it uses less digits than its factorization.

4051791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450205 (or 450202 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 4051791 is about 2012.9061080935. The cubic root of 4051791 is about 159.4222784764.

The spelling of 4051791 in words is "four million, fifty-one thousand, seven hundred ninety-one".