425351645 has 24 divisors (see below), whose sum is σ = 553837824. Its totient is φ = 313400576.

The previous prime is 425351639. The next prime is 425351687. The reversal of 425351645 is 546153524.

It is not a de Polignac number, because 425351645 - 2¹⁶ = 425286109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64784 + ... + 71046.

It is an arithmetic number, because the mean of its divisors is an integer number (23076576).

Almost surely, 2^425351645 is an apocalyptic number.

It is an amenable number.

425351645 is a deficient number, since it is larger than the sum of its proper divisors (128486179).

425351645 is a wasteful number, since it uses less digits than its factorization.

425351645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6349 (or 6332 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

The square root of 425351645 is about 20624.0550086543. The cubic root of 425351645 is about 752.0546004238.

The spelling of 425351645 in words is "four hundred twenty-five million, three hundred fifty-one thousand, six hundred forty-five".