425778713 has 2 divisors, whose sum is σ = 425778714. Its totient is φ = 425778712.

The previous prime is 425778709. The next prime is 425778757. The reversal of 425778713 is 317877524.

It is an a-pointer prime, because the next prime (425778757) can be obtained adding 425778713 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 272811289 + 152967424 = 16517^2 + 12368^2 .

It is a cyclic number.

It is not a de Polignac number, because 425778713 - 2² = 425778709 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (425778763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212889356 + 212889357.

It is an arithmetic number, because the mean of its divisors is an integer number (212889357).

Almost surely, 2^425778713 is an apocalyptic number.

It is an amenable number.

425778713 is a deficient number, since it is larger than the sum of its proper divisors (1).

425778713 is an equidigital number, since it uses as much as digits as its factorization.

425778713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 329280, while the sum is 44.

The square root of 425778713 is about 20634.4060491210. The cubic root of 425778713 is about 752.3062126497.

The spelling of 425778713 in words is "four hundred twenty-five million, seven hundred seventy-eight thousand, seven hundred thirteen".