825403 has 2 divisors, whose sum is σ = 825404. Its totient is φ = 825402.

The previous prime is 825397. The next prime is 825413. The reversal of 825403 is 304528.

825403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 825403 - 2¹³ = 817211 is a prime.

It is a super-2 number, since 2×825403² = 1362580224818, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (825413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412701 + 412702.

It is an arithmetic number, because the mean of its divisors is an integer number (412702).

2⁸²⁵⁴⁰³ is an apocalyptic number.

825403 is a deficient number, since it is larger than the sum of its proper divisors (1).

825403 is an equidigital number, since it uses as much as digits as its factorization.

825403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 825403 is about 908.5169233427. The cubic root of 825403 is about 93.8041417635.

The spelling of 825403 in words is "eight hundred twenty-five thousand, four hundred three".