605342261525 has 24 divisors (see below), whose sum is σ = 795236260104. Its totient is φ = 455524761600.

The previous prime is 605342261521. The next prime is 605342261539. The reversal of 605342261525 is 525162243506.

It can be written as a sum of positive squares in 12 ways, for example, as 104030116369 + 501312145156 = 322537^2 + 708034^2 .

It is not a de Polignac number, because 605342261525 - 2² = 605342261521 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 (605342261521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330869 + ... + 1148981.

It is an arithmetic number, because the mean of its divisors is an integer number (33134844171).

Almost surely, 2^605342261525 is an apocalyptic number.

It is an amenable number.

605342261525 is a deficient number, since it is larger than the sum of its proper divisors (189893998579).

605342261525 is a wasteful number, since it uses less digits than its factorization.

605342261525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 819881 (or 819876 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 605342261525 in words is "six hundred five billion, three hundred forty-two million, two hundred sixty-one thousand, five hundred twenty-five".