842753953 has 2 divisors, whose sum is σ = 842753954. Its totient is φ = 842753952.

The previous prime is 842753927. The next prime is 842753957. The reversal of 842753953 is 359357248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 689167504 + 153586449 = 26252^2 + 12393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-842753953 is a prime.

It is not a weakly prime, because it can be changed into another prime (842753957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421376976 + 421376977.

It is an arithmetic number, because the mean of its divisors is an integer number (421376977).

Almost surely, 2^842753953 is an apocalyptic number.

It is an amenable number.

842753953 is a deficient number, since it is larger than the sum of its proper divisors (1).

842753953 is an equidigital number, since it uses as much as digits as its factorization.

842753953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 46.

The square root of 842753953 is about 29030.2248182821. The cubic root of 842753953 is about 944.5688067618.

The spelling of 842753953 in words is "eight hundred forty-two million, seven hundred fifty-three thousand, nine hundred fifty-three".