825250493 has 2 divisors, whose sum is σ = 825250494. Its totient is φ = 825250492.

The previous prime is 825250463. The next prime is 825250507. The reversal of 825250493 is 394052528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808094329 + 17156164 = 28427^2 + 4142^2 .

It is a cyclic number.

It is not a de Polignac number, because 825250493 - 2⁶ = 825250429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825250463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412625246 + 412625247.

It is an arithmetic number, because the mean of its divisors is an integer number (412625247).

Almost surely, 2^825250493 is an apocalyptic number.

It is an amenable number.

825250493 is a deficient number, since it is larger than the sum of its proper divisors (1).

825250493 is an equidigital number, since it uses as much as digits as its factorization.

825250493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 825250493 is about 28727.1734251736. The cubic root of 825250493 is about 937.9836411330.

The spelling of 825250493 in words is "eight hundred twenty-five million, two hundred fifty thousand, four hundred ninety-three".