945851 has 2 divisors, whose sum is σ = 945852. Its totient is φ = 945850.

The previous prime is 945823. The next prime is 945881. The reversal of 945851 is 158549.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 945851 - 2⁶ = 945787 is a prime.

It is a super-2 number, since 2×945851² = 1789268228402, which contains 22 as substring.

It is a Chen prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 945851.

It is not a weakly prime, because it can be changed into another prime (945811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472925 + 472926.

It is an arithmetic number, because the mean of its divisors is an integer number (472926).

2⁹⁴⁵⁸⁵¹ is an apocalyptic number.

945851 is a deficient number, since it is larger than the sum of its proper divisors (1).

945851 is an equidigital number, since it uses as much as digits as its factorization.

945851 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 32.

The square root of 945851 is about 972.5487134329. The cubic root of 945851 is about 98.1614373718.

The spelling of 945851 in words is "nine hundred forty-five thousand, eight hundred fifty-one".