1255524451 has 4 divisors (see below), whose sum is σ = 1255755312. Its totient is φ = 1255293592.

The previous prime is 1255524401. The next prime is 1255524493. The reversal of 1255524451 is 1544255521.

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 1255524451 - 2⁹ = 1255523939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255524401) 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, 107071 + ... + 118216.

It is an arithmetic number, because the mean of its divisors is an integer number (313938828).

Almost surely, 2^1255524451 is an apocalyptic number.

1255524451 is a deficient number, since it is larger than the sum of its proper divisors (230861).

1255524451 is an equidigital number, since it uses as much as digits as its factorization.

1255524451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230860.

The product of its digits is 40000, while the sum is 34.

The square root of 1255524451 is about 35433.3804624961. The cubic root of 1255524451 is about 1078.8019553933.

Adding to 1255524451 its reverse (1544255521), we get a palindrome (2799779972).

The spelling of 1255524451 in words is "one billion, two hundred fifty-five million, five hundred twenty-four thousand, four hundred fifty-one".