825771503 has 2 divisors, whose sum is σ = 825771504. Its totient is φ = 825771502.

The previous prime is 825771467. The next prime is 825771511. The reversal of 825771503 is 305177528.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825771503 - 2¹² = 825767407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825771533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412885751 + 412885752.

It is an arithmetic number, because the mean of its divisors is an integer number (412885752).

Almost surely, 2^825771503 is an apocalyptic number.

825771503 is a deficient number, since it is larger than the sum of its proper divisors (1).

825771503 is an equidigital number, since it uses as much as digits as its factorization.

825771503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 825771503 is about 28736.2402377207. The cubic root of 825771503 is about 938.1809937561.

The spelling of 825771503 in words is "eight hundred twenty-five million, seven hundred seventy-one thousand, five hundred three".