1255550435 has 4 divisors (see below), whose sum is σ = 1506660528. Its totient is φ = 1004440344.

The previous prime is 1255550407. The next prime is 1255550477. The reversal of 1255550435 is 5340555521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1255550435 - 2¹⁸ = 1255288291 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1255550395 and 1255550404.

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 3 ways as a sum of consecutive naturals, for example, 125555039 + ... + 125555048.

It is an arithmetic number, because the mean of its divisors is an integer number (376665132).

Almost surely, 2^1255550435 is an apocalyptic number.

1255550435 is a deficient number, since it is larger than the sum of its proper divisors (251110093).

1255550435 is an equidigital number, since it uses as much as digits as its factorization.

1255550435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251110092.

The product of its (nonzero) digits is 75000, while the sum is 35.

The square root of 1255550435 is about 35433.7471205065. The cubic root of 1255550435 is about 1078.8093975414.

The spelling of 1255550435 in words is "one billion, two hundred fifty-five million, five hundred fifty thousand, four hundred thirty-five".