425031504430397 has 2 divisors, whose sum is σ = 425031504430398. Its totient is φ = 425031504430396.

The previous prime is 425031504430343. The next prime is 425031504430417. The reversal of 425031504430397 is 793034405130524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 408084400807801 + 16947103622596 = 20201099^2 + 4116686^2 .

It is a cyclic number.

It is not a de Polignac number, because 425031504430397 - 2⁶ = 425031504430333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425031504430327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212515752215198 + 212515752215199.

It is an arithmetic number, because the mean of its divisors is an integer number (212515752215199).

Almost surely, 2^{425031504430397} is an apocalyptic number.

It is an amenable number.

425031504430397 is a deficient number, since it is larger than the sum of its proper divisors (1).

425031504430397 is an equidigital number, since it uses as much as digits as its factorization.

425031504430397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 425031504430397 in words is "four hundred twenty-five trillion, thirty-one billion, five hundred four million, four hundred thirty thousand, three hundred ninety-seven".