425266658 has 8 divisors (see below), whose sum is σ = 641138652. Its totient is φ = 211553776.

The previous prime is 425266651. The next prime is 425266663. The reversal of 425266658 is 856662524.

It can be written as a sum of positive squares in 2 ways, for example, as 283013329 + 142253329 = 16823^2 + 11927^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (425266651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539285 + ... + 540072.

Almost surely, 2^425266658 is an apocalyptic number.

425266658 is a deficient number, since it is larger than the sum of its proper divisors (215871994).

425266658 is a wasteful number, since it uses less digits than its factorization.

425266658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079556.

The product of its digits is 691200, while the sum is 44.

The square root of 425266658 is about 20621.9945204144. The cubic root of 425266658 is about 752.0045092249.

The spelling of 425266658 in words is "four hundred twenty-five million, two hundred sixty-six thousand, six hundred fifty-eight".