425046493 has 2 divisors, whose sum is σ = 425046494. Its totient is φ = 425046492.

The previous prime is 425046451. The next prime is 425046497. The reversal of 425046493 is 394640524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 216619524 + 208426969 = 14718^2 + 14437^2 .

It is a cyclic number.

It is not a de Polignac number, because 425046493 - 2⁹ = 425045981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425046497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212523246 + 212523247.

It is an arithmetic number, because the mean of its divisors is an integer number (212523247).

Almost surely, 2^425046493 is an apocalyptic number.

It is an amenable number.

425046493 is a deficient number, since it is larger than the sum of its proper divisors (1).

425046493 is an equidigital number, since it uses as much as digits as its factorization.

425046493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 425046493 is about 20616.6557181324. The cubic root of 425046493 is about 751.8747132883.

The spelling of 425046493 in words is "four hundred twenty-five million, forty-six thousand, four hundred ninety-three".