425564235 has 48 divisors (see below), whose sum is σ = 753592320. Its totient is φ = 222108480.

The previous prime is 425564233. The next prime is 425564267. The reversal of 425564235 is 532465524.

425564235 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 642 + 3 + 5 = 666.

It is not a de Polignac number, because 425564235 - 2¹ = 425564233 is a prime.

It is a super-2 number, since 2×425564235² = 362209836222270450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425564235.

It is not an unprimeable number, because it can be changed into a prime (425564233) 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, 575496 + ... + 576234.

It is an arithmetic number, because the mean of its divisors is an integer number (15699840).

Almost surely, 2^425564235 is an apocalyptic number.

425564235 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

425564235 is a deficient number, since it is larger than the sum of its proper divisors (328028085).

425564235 is a wasteful number, since it uses less digits than its factorization.

425564235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008 (or 1005 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 425564235 is about 20629.2082979449. The cubic root of 425564235 is about 752.1798714092.

The spelling of 425564235 in words is "four hundred twenty-five million, five hundred sixty-four thousand, two hundred thirty-five".