872425913 has 2 divisors, whose sum is σ = 872425914. Its totient is φ = 872425912.

The previous prime is 872425789. The next prime is 872425933. The reversal of 872425913 is 319524278.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 846344464 + 26081449 = 29092^2 + 5107^2 .

It is a cyclic number.

It is not a de Polignac number, because 872425913 - 2⁸ = 872425657 is a prime.

It is a super-2 number, since 2×872425913² = 1522253947347767138, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (872425933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436212956 + 436212957.

It is an arithmetic number, because the mean of its divisors is an integer number (436212957).

Almost surely, 2^872425913 is an apocalyptic number.

It is an amenable number.

872425913 is a deficient number, since it is larger than the sum of its proper divisors (1).

872425913 is an equidigital number, since it uses as much as digits as its factorization.

872425913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120960, while the sum is 41.

The square root of 872425913 is about 29536.8568571539. The cubic root of 872425913 is about 955.5267556255.

The spelling of 872425913 in words is "eight hundred seventy-two million, four hundred twenty-five thousand, nine hundred thirteen".