625585285 has 16 divisors (see below), whose sum is σ = 827253504. Its totient is φ = 451225152.

The previous prime is 625585283. The next prime is 625585297. The reversal of 625585285 is 582585526.

It is a cyclic number.

It is not a de Polignac number, because 625585285 - 2¹ = 625585283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625585283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109117 + ... + 114706.

It is an arithmetic number, because the mean of its divisors is an integer number (51703344).

Almost surely, 2^625585285 is an apocalyptic number.

625585285 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

625585285 is a deficient number, since it is larger than the sum of its proper divisors (201668219).

625585285 is a wasteful number, since it uses less digits than its factorization.

625585285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223884.

The product of its digits is 960000, while the sum is 46.

The square root of 625585285 is about 25011.7029608142. The cubic root of 625585285 is about 855.2547762785.

The spelling of 625585285 in words is "six hundred twenty-five million, five hundred eighty-five thousand, two hundred eighty-five".