425163745 has 16 divisors (see below), whose sum is σ = 515294208. Its totient is φ = 336746880.

The previous prime is 425163733. The next prime is 425163841. The reversal of 425163745 is 547361524.

It is not a de Polignac number, because 425163745 - 2¹³ = 425155553 is a prime.

It is a Duffinian number.

Its product of digits (100800) is a multiple of the sum of its prime divisors (1800).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390592 + ... + 391678.

It is an arithmetic number, because the mean of its divisors is an integer number (32205888).

Almost surely, 2^425163745 is an apocalyptic number.

It is an amenable number.

425163745 is a deficient number, since it is larger than the sum of its proper divisors (90130463).

425163745 is a wasteful number, since it uses less digits than its factorization.

425163745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800.

The product of its digits is 100800, while the sum is 37.

The square root of 425163745 is about 20619.4991452266. The cubic root of 425163745 is about 751.9438435365.

The spelling of 425163745 in words is "four hundred twenty-five million, one hundred sixty-three thousand, seven hundred forty-five".