825409003 has 2 divisors, whose sum is σ = 825409004. Its totient is φ = 825409002.

The previous prime is 825408967. The next prime is 825409019. The reversal of 825409003 is 300904528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 825409003 - 2⁹ = 825408491 is a prime.

It is not a weakly prime, because it can be changed into another prime (825409033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412704501 + 412704502.

It is an arithmetic number, because the mean of its divisors is an integer number (412704502).

Almost surely, 2^825409003 is an apocalyptic number.

825409003 is a deficient number, since it is larger than the sum of its proper divisors (1).

825409003 is an equidigital number, since it uses as much as digits as its factorization.

825409003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 825409003 is about 28729.9321788270. The cubic root of 825409003 is about 938.0436916954.

The spelling of 825409003 in words is "eight hundred twenty-five million, four hundred nine thousand, three".