4261851 has 12 divisors (see below), whose sum is σ = 6715800. Its totient is φ = 2582880.

The previous prime is 4261843. The next prime is 4261853. The reversal of 4261851 is 1581624.

4261851 = 254² + 255² + ... + 307².

4261851 is a `hidden beast` number, since 42 + 618 + 5 + 1 = 666.

It is not a de Polignac number, because 4261851 - 2³ = 4261843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4261853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21426 + ... + 21623.

It is an arithmetic number, because the mean of its divisors is an integer number (559650).

Almost surely, 2^4261851 is an apocalyptic number.

4261851 is a deficient number, since it is larger than the sum of its proper divisors (2453949).

4261851 is a wasteful number, since it uses less digits than its factorization.

4261851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43066 (or 43063 counting only the distinct ones).

The product of its digits is 1920, while the sum is 27.

The square root of 4261851 is about 2064.4251015719. The cubic root of 4261851 is about 162.1310097072.

The spelling of 4261851 in words is "four million, two hundred sixty-one thousand, eight hundred fifty-one".