425780743 has 2 divisors, whose sum is σ = 425780744. Its totient is φ = 425780742.

The previous prime is 425780741. The next prime is 425780783. The reversal of 425780743 is 347087524.

It is an a-pointer prime, because the next prime (425780783) can be obtained adding 425780743 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425780743 - 2¹ = 425780741 is a prime.

It is a super-3 number, since 3×425780743³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 425780741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 425780696 and 425780705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425780741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212890371 + 212890372.

It is an arithmetic number, because the mean of its divisors is an integer number (212890372).

Almost surely, 2^425780743 is an apocalyptic number.

425780743 is a deficient number, since it is larger than the sum of its proper divisors (1).

425780743 is an equidigital number, since it uses as much as digits as its factorization.

425780743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 425780743 is about 20634.4552387505. The cubic root of 425780743 is about 752.3074082466.

The spelling of 425780743 in words is "four hundred twenty-five million, seven hundred eighty thousand, seven hundred forty-three".