852126949 has 2 divisors, whose sum is σ = 852126950. Its totient is φ = 852126948.

The previous prime is 852126929. The next prime is 852126959. The reversal of 852126949 is 949621258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 771450625 + 80676324 = 27775^2 + 8982^2 .

It is a cyclic number.

It is not a de Polignac number, because 852126949 - 2⁵ = 852126917 is a prime.

It is a super-2 number, since 2×852126949² = 1452240674424097202, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 852126899 and 852126908.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852126929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426063474 + 426063475.

It is an arithmetic number, because the mean of its divisors is an integer number (426063475).

Almost surely, 2^852126949 is an apocalyptic number.

It is an amenable number.

852126949 is a deficient number, since it is larger than the sum of its proper divisors (1).

852126949 is an equidigital number, since it uses as much as digits as its factorization.

852126949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 46.

The square root of 852126949 is about 29191.2135581925. The cubic root of 852126949 is about 948.0576932759.

The spelling of 852126949 in words is "eight hundred fifty-two million, one hundred twenty-six thousand, nine hundred forty-nine".