1255025245 has 8 divisors (see below), whose sum is σ = 1571510016. Its totient is φ = 960367056.

The previous prime is 1255025203. The next prime is 1255025249. The reversal of 1255025245 is 5425205521.

It is a happy number.

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 1255025245 - 2¹¹ = 1255023197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255025249) 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, 5456517 + ... + 5456746.

It is an arithmetic number, because the mean of its divisors is an integer number (196438752).

Almost surely, 2^1255025245 is an apocalyptic number.

It is an amenable number.

1255025245 is a deficient number, since it is larger than the sum of its proper divisors (316484771).

1255025245 is a wasteful number, since it uses less digits than its factorization.

1255025245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10913291.

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 1255025245 is about 35426.3354723573. The cubic root of 1255025245 is about 1078.6589565053.

The spelling of 1255025245 in words is "one billion, two hundred fifty-five million, twenty-five thousand, two hundred forty-five".