425871607 has 16 divisors (see below), whose sum is σ = 515979072. Its totient is φ = 343134720.

The previous prime is 425871577. The next prime is 425871619. The reversal of 425871607 is 706178524.

It is a cyclic number.

It is not a de Polignac number, because 425871607 - 2¹⁵ = 425838839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425871607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425871697) 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, 124573 + ... + 127945.

It is an arithmetic number, because the mean of its divisors is an integer number (32248692).

Almost surely, 2^425871607 is an apocalyptic number.

425871607 is a deficient number, since it is larger than the sum of its proper divisors (90107465).

425871607 is a wasteful number, since it uses less digits than its factorization.

425871607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458.

The product of its (nonzero) digits is 94080, while the sum is 40.

The square root of 425871607 is about 20636.6568755697. The cubic root of 425871607 is about 752.3609199812.

The spelling of 425871607 in words is "four hundred twenty-five million, eight hundred seventy-one thousand, six hundred seven".