425624667 has 16 divisors (see below), whose sum is σ = 613835040. Its totient is φ = 260773632.

The previous prime is 425624663. The next prime is 425624687. The reversal of 425624667 is 766426524.

It is not a de Polignac number, because 425624667 - 2² = 425624663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425624663) 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, 14898 + ... + 32759.

It is an arithmetic number, because the mean of its divisors is an integer number (38364690).

Almost surely, 2^425624667 is an apocalyptic number.

425624667 is a deficient number, since it is larger than the sum of its proper divisors (188210373).

425624667 is a wasteful number, since it uses less digits than its factorization.

425624667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47902.

The product of its digits is 483840, while the sum is 42.

The square root of 425624667 is about 20630.6729652719. The cubic root of 425624667 is about 752.2154740114.

The spelling of 425624667 in words is "four hundred twenty-five million, six hundred twenty-four thousand, six hundred sixty-seven".