425412499 has 2 divisors, whose sum is σ = 425412500. Its totient is φ = 425412498.

The previous prime is 425412467. The next prime is 425412517. The reversal of 425412499 is 994214524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425412499 - 2⁵ = 425412467 is a prime.

It is not a weakly prime, because it can be changed into another prime (425415499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212706249 + 212706250.

It is an arithmetic number, because the mean of its divisors is an integer number (212706250).

Almost surely, 2^425412499 is an apocalyptic number.

425412499 is a deficient number, since it is larger than the sum of its proper divisors (1).

425412499 is an equidigital number, since it uses as much as digits as its factorization.

425412499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 425412499 is about 20625.5302719712. The cubic root of 425412499 is about 752.0904635729.

The spelling of 425412499 in words is "four hundred twenty-five million, four hundred twelve thousand, four hundred ninety-nine".