1255550425 has 6 divisors (see below), whose sum is σ = 1556882558. Its totient is φ = 1004440320.

The previous prime is 1255550407. The next prime is 1255550477. The reversal of 1255550425 is 5240555521.

It can be written as a sum of positive squares in 3 ways, for example, as 204947856 + 1050602569 = 14316^2 + 32413^2 .

It is not a de Polignac number, because 1255550425 - 2²¹ = 1253453273 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 (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25110984 + ... + 25111033.

Almost surely, 2^1255550425 is an apocalyptic number.

It is an amenable number.

1255550425 is a deficient number, since it is larger than the sum of its proper divisors (301332133).

1255550425 is an equidigital number, since it uses as much as digits as its factorization.

1255550425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50222027 (or 50222022 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 34.

The square root of 1255550425 is about 35433.7469793980. The cubic root of 1255550425 is about 1078.8093946773.

The spelling of 1255550425 in words is "one billion, two hundred fifty-five million, five hundred fifty thousand, four hundred twenty-five".