425404099 has 2 divisors, whose sum is σ = 425404100. Its totient is φ = 425404098.

The previous prime is 425404093. The next prime is 425404139. The reversal of 425404099 is 990404524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425404099 - 2¹⁹ = 424879811 is a prime.

It is not a weakly prime, because it can be changed into another prime (425404093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212702049 + 212702050.

It is an arithmetic number, because the mean of its divisors is an integer number (212702050).

Almost surely, 2^425404099 is an apocalyptic number.

425404099 is a deficient number, since it is larger than the sum of its proper divisors (1).

425404099 is an equidigital number, since it uses as much as digits as its factorization.

425404099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 425404099 is about 20625.3266398377. The cubic root of 425404099 is about 752.0855133959.

The spelling of 425404099 in words is "four hundred twenty-five million, four hundred four thousand, ninety-nine".