961853 has 2 divisors, whose sum is σ = 961854. Its totient is φ = 961852.

The previous prime is 961847. The next prime is 961861. The reversal of 961853 is 358169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 770884 + 190969 = 878^2 + 437^2 .

It is a cyclic number.

It is not a de Polignac number, because 961853 - 2⁶ = 961789 is a prime.

It is a super-2 number, since 2×961853² = 1850322387218, which contains 22 as substring.

It is a Sophie Germain prime.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (961813) 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 as a sum of consecutive naturals, namely, 480926 + 480927.

It is an arithmetic number, because the mean of its divisors is an integer number (480927).

2⁹⁶¹⁸⁵³ is an apocalyptic number.

It is an amenable number.

961853 is a deficient number, since it is larger than the sum of its proper divisors (1).

961853 is an equidigital number, since it uses as much as digits as its factorization.

961853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 32.

The square root of 961853 is about 980.7410463522. The cubic root of 961853 is about 98.7119128877.

The spelling of 961853 in words is "nine hundred sixty-one thousand, eight hundred fifty-three".