425712646 has 16 divisors (see below), whose sum is σ = 659708928. Its totient is φ = 205821000.

The previous prime is 425712641. The next prime is 425712649. The reversal of 425712646 is 646217524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425712641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108621 + ... + 112471.

It is an arithmetic number, because the mean of its divisors is an integer number (41231808).

Almost surely, 2^425712646 is an apocalyptic number.

425712646 is a deficient number, since it is larger than the sum of its proper divisors (233996282).

425712646 is a wasteful number, since it uses less digits than its factorization.

425712646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5667.

The product of its digits is 80640, while the sum is 37.

The square root of 425712646 is about 20632.8050928612. The cubic root of 425712646 is about 752.2672994897.

The spelling of 425712646 in words is "four hundred twenty-five million, seven hundred twelve thousand, six hundred forty-six".