825953377 has 2 divisors, whose sum is σ = 825953378. Its totient is φ = 825953376.

The previous prime is 825953371. The next prime is 825953399. The reversal of 825953377 is 773359528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483296256 + 342657121 = 21984^2 + 18511^2 .

It is a cyclic number.

It is not a de Polignac number, because 825953377 - 2³ = 825953369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 825953377.

It is not a weakly prime, because it can be changed into another prime (825953371) 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, 412976688 + 412976689.

It is an arithmetic number, because the mean of its divisors is an integer number (412976689).

Almost surely, 2^825953377 is an apocalyptic number.

It is an amenable number.

825953377 is a deficient number, since it is larger than the sum of its proper divisors (1).

825953377 is an equidigital number, since it uses as much as digits as its factorization.

825953377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1587600, while the sum is 49.

The square root of 825953377 is about 28739.4046041319. The cubic root of 825953377 is about 938.2498659982.

The spelling of 825953377 in words is "eight hundred twenty-five million, nine hundred fifty-three thousand, three hundred seventy-seven".