606752221725 has 36 divisors (see below), whose sum is σ = 1170357624436. Its totient is φ = 298708784640.

The previous prime is 606752221657. The next prime is 606752221729. The reversal of 606752221725 is 527122257606.

606752221725 is a `hidden beast` number, since 60 + 67 + 522 + 2 + 1 + 7 + 2 + 5 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 201698893881 + 405053327844 = 449109^2 + 636438^2 .

It is not a de Polignac number, because 606752221725 - 2⁷ = 606752221597 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606752221729) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 103715404 + ... + 103721253.

Almost surely, 2^606752221725 is an apocalyptic number.

606752221725 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

606752221725 is a deficient number, since it is larger than the sum of its proper divisors (563605402711).

606752221725 is a wasteful number, since it uses less digits than its factorization.

606752221725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207436686 (or 207436678 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 606752221725 in words is "six hundred six billion, seven hundred fifty-two million, two hundred twenty-one thousand, seven hundred twenty-five".