1255525545 has 8 divisors (see below), whose sum is σ = 2008840896. Its totient is φ = 669613616.

The previous prime is 1255525543. The next prime is 1255525553. The reversal of 1255525545 is 5455255521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1255525545 - 2¹ = 1255525543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255525543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41850837 + ... + 41850866.

It is an arithmetic number, because the mean of its divisors is an integer number (251105112).

Almost surely, 2^1255525545 is an apocalyptic number.

1255525545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1255525545 is a deficient number, since it is larger than the sum of its proper divisors (753315351).

1255525545 is an equidigital number, since it uses as much as digits as its factorization.

1255525545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83701711.

The product of its digits is 250000, while the sum is 39.

The square root of 1255525545 is about 35433.3958999134. The cubic root of 1255525545 is about 1078.8022687309.

The spelling of 1255525545 in words is "one billion, two hundred fifty-five million, five hundred twenty-five thousand, five hundred forty-five".