425914785 has 48 divisors (see below), whose sum is σ = 763112064. Its totient is φ = 219614976.

The previous prime is 425914771. The next prime is 425914789. The reversal of 425914785 is 587419524.

425914785 is a `hidden beast` number, since 425 + 9 + 147 + 85 = 666.

It is not a de Polignac number, because 425914785 - 2¹¹ = 425912737 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 425914785.

It is not an unprimeable number, because it can be changed into a prime (425914789) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 198237 + ... + 200373.

It is an arithmetic number, because the mean of its divisors is an integer number (15898168).

Almost surely, 2^425914785 is an apocalyptic number.

425914785 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

425914785 is a deficient number, since it is larger than the sum of its proper divisors (337197279).

425914785 is a wasteful number, since it uses less digits than its factorization.

425914785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 2291 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 425914785 is about 20637.7029971845. The cubic root of 425914785 is about 752.3863457523.

It can be divided in two parts, 4259 and 14785, that added together give a square (19044 = 138²).

The spelling of 425914785 in words is "four hundred twenty-five million, nine hundred fourteen thousand, seven hundred eighty-five".