425971930 has 32 divisors (see below), whose sum is σ = 803335680. Its totient is φ = 162423360.

The previous prime is 425971921. The next prime is 425971933. The reversal of 425971930 is 39179524.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (425971933) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10516 + ... + 31024.

It is an arithmetic number, because the mean of its divisors is an integer number (25104240).

Almost surely, 2^425971930 is an apocalyptic number.

425971930 is a deficient number, since it is larger than the sum of its proper divisors (377363750).

425971930 is a wasteful number, since it uses less digits than its factorization.

425971930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20614.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 425971930 is about 20639.0874313764. The cubic root of 425971930 is about 752.4199934807.

The spelling of 425971930 in words is "four hundred twenty-five million, nine hundred seventy-one thousand, nine hundred thirty".