849754253 has 2 divisors, whose sum is σ = 849754254. Its totient is φ = 849754252.

The previous prime is 849754189. The next prime is 849754267. The reversal of 849754253 is 352457948.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 744034729 + 105719524 = 27277^2 + 10282^2 .

It is a cyclic number.

It is not a de Polignac number, because 849754253 - 2⁶ = 849754189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 849754198 and 849754207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (849754153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 424877126 + 424877127.

It is an arithmetic number, because the mean of its divisors is an integer number (424877127).

Almost surely, 2^849754253 is an apocalyptic number.

It is an amenable number.

849754253 is a deficient number, since it is larger than the sum of its proper divisors (1).

849754253 is an equidigital number, since it uses as much as digits as its factorization.

849754253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 47.

The square root of 849754253 is about 29150.5446432824. The cubic root of 849754253 is about 947.1769388466.

The spelling of 849754253 in words is "eight hundred forty-nine million, seven hundred fifty-four thousand, two hundred fifty-three".