1612655425 has 6 divisors (see below), whose sum is σ = 1999692758. Its totient is φ = 1290124320.

The previous prime is 1612655393. The next prime is 1612655441. The reversal of 1612655425 is 5245562161.

It can be written as a sum of positive squares in 3 ways, for example, as 287404209 + 1325251216 = 16953^2 + 36404^2 .

It is not a de Polignac number, because 1612655425 - 2⁵ = 1612655393 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 (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32253084 + ... + 32253133.

Almost surely, 2^1612655425 is an apocalyptic number.

It is an amenable number.

1612655425 is a deficient number, since it is larger than the sum of its proper divisors (387037333).

1612655425 is an equidigital number, since it uses as much as digits as its factorization.

1612655425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64506227 (or 64506222 counting only the distinct ones).

The product of its digits is 72000, while the sum is 37.

The square root of 1612655425 is about 40157.8812314594. The cubic root of 1612655425 is about 1172.6827243741.

The spelling of 1612655425 in words is "one billion, six hundred twelve million, six hundred fifty-five thousand, four hundred twenty-five".