606021725 has 6 divisors (see below), whose sum is σ = 751466970. Its totient is φ = 484817360.

The previous prime is 606021721. The next prime is 606021743. The reversal of 606021725 is 527120606.

It can be written as a sum of positive squares in 3 ways, for example, as 8561476 + 597460249 = 2926^2 + 24443^2 .

It is not a de Polignac number, because 606021725 - 2² = 606021721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (606021721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12120410 + ... + 12120459.

It is an arithmetic number, because the mean of its divisors is an integer number (125244495).

Almost surely, 2^606021725 is an apocalyptic number.

It is an amenable number.

606021725 is a deficient number, since it is larger than the sum of its proper divisors (145445245).

606021725 is a wasteful number, since it uses less digits than its factorization.

606021725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24240879 (or 24240874 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 606021725 is about 24617.5085051270. The cubic root of 606021725 is about 846.2449001029.

The spelling of 606021725 in words is "six hundred six million, twenty-one thousand, seven hundred twenty-five".