1255577 has 4 divisors (see below), whose sum is σ = 1321680. Its totient is φ = 1189476.

The previous prime is 1255567. The next prime is 1255591. The reversal of 1255577 is 7755521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1255577 - 2⁸ = 1255321 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1255567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33023 + ... + 33060.

It is an arithmetic number, because the mean of its divisors is an integer number (330420).

2^1255577 is an apocalyptic number.

It is an amenable number.

1255577 is a deficient number, since it is larger than the sum of its proper divisors (66103).

1255577 is an equidigital number, since it uses as much as digits as its factorization.

1255577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66102.

The product of its digits is 12250, while the sum is 32.

The square root of 1255577 is about 1120.5253232301. The cubic root of 1255577 is about 107.8817005989.

The spelling of 1255577 in words is "one million, two hundred fifty-five thousand, five hundred seventy-seven".