825926449 has 2 divisors, whose sum is σ = 825926450. Its totient is φ = 825926448.

The previous prime is 825926411. The next prime is 825926483. The reversal of 825926449 is 944629528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 452200225 + 373726224 = 21265^2 + 19332^2 .

It is a cyclic number.

It is not a de Polignac number, because 825926449 - 2¹¹ = 825924401 is a prime.

It is not a weakly prime, because it can be changed into another prime (825926489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412963224 + 412963225.

It is an arithmetic number, because the mean of its divisors is an integer number (412963225).

Almost surely, 2^825926449 is an apocalyptic number.

It is an amenable number.

825926449 is a deficient number, since it is larger than the sum of its proper divisors (1).

825926449 is an equidigital number, since it uses as much as digits as its factorization.

825926449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 49.

The square root of 825926449 is about 28738.9361146164. The cubic root of 825926449 is about 938.2396695118.

The spelling of 825926449 in words is "eight hundred twenty-five million, nine hundred twenty-six thousand, four hundred forty-nine".