1655313425 has 6 divisors (see below), whose sum is σ = 2052588678. Its totient is φ = 1324250720.

The previous prime is 1655313391. The next prime is 1655313431. The reversal of 1655313425 is 5243135561.

It can be written as a sum of positive squares in 3 ways, for example, as 369664 + 1654943761 = 608^2 + 40681^2 .

It is not a de Polignac number, because 1655313425 - 2¹⁴ = 1655297041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33106244 + ... + 33106293.

It is an arithmetic number, because the mean of its divisors is an integer number (342098113).

Almost surely, 2^1655313425 is an apocalyptic number.

It is an amenable number.

1655313425 is a deficient number, since it is larger than the sum of its proper divisors (397275253).

1655313425 is an equidigital number, since it uses as much as digits as its factorization.

1655313425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66212547 (or 66212542 counting only the distinct ones).

The product of its digits is 54000, while the sum is 35.

The square root of 1655313425 is about 40685.5431941126. The cubic root of 1655313425 is about 1182.9328140439.

Adding to 1655313425 its reverse (5243135561), we get a palindrome (6898448986).

The spelling of 1655313425 in words is "one billion, six hundred fifty-five million, three hundred thirteen thousand, four hundred twenty-five".