425206642 has 16 divisors (see below), whose sum is σ = 754061760. Its totient is φ = 175947408.

The previous prime is 425206631. The next prime is 425206657. The reversal of 425206642 is 246602524.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 523248 + ... + 524059.

It is an arithmetic number, because the mean of its divisors is an integer number (47128860).

Almost surely, 2^425206642 is an apocalyptic number.

425206642 is a deficient number, since it is larger than the sum of its proper divisors (328855118).

425206642 is a wasteful number, since it uses less digits than its factorization.

425206642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047345.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 425206642 is about 20620.5393236937. The cubic root of 425206642 is about 751.9691318720.

The spelling of 425206642 in words is "four hundred twenty-five million, two hundred six thousand, six hundred forty-two".