825430453 has 2 divisors, whose sum is σ = 825430454. Its totient is φ = 825430452.

The previous prime is 825430429. The next prime is 825430469. The reversal of 825430453 is 354034528.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 806957649 + 18472804 = 28407^2 + 4298^2 .

It is a cyclic number.

It is not a de Polignac number, because 825430453 - 2¹³ = 825422261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825430153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412715226 + 412715227.

It is an arithmetic number, because the mean of its divisors is an integer number (412715227).

Almost surely, 2^825430453 is an apocalyptic number.

It is an amenable number.

825430453 is a deficient number, since it is larger than the sum of its proper divisors (1).

825430453 is an equidigital number, since it uses as much as digits as its factorization.

825430453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 825430453 is about 28730.3054804504. The cubic root of 825430453 is about 938.0518173086.

The spelling of 825430453 in words is "eight hundred twenty-five million, four hundred thirty thousand, four hundred fifty-three".