1245544325 has 6 divisors (see below), whose sum is σ = 1544474994. Its totient is φ = 996435440.

The previous prime is 1245544309. The next prime is 1245544327. The reversal of 1245544325 is 5234455421.

It can be written as a sum of positive squares in 3 ways, for example, as 37773316 + 1207771009 = 6146^2 + 34753^2 .

It is not a de Polignac number, because 1245544325 - 2⁴ = 1245544309 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 (1245544327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24910862 + ... + 24910911.

It is an arithmetic number, because the mean of its divisors is an integer number (257412499).

Almost surely, 2^1245544325 is an apocalyptic number.

It is an amenable number.

1245544325 is a deficient number, since it is larger than the sum of its proper divisors (298930669).

1245544325 is an equidigital number, since it uses as much as digits as its factorization.

1245544325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49821783 (or 49821778 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 1245544325 is about 35292.2700460030. The cubic root of 1245544325 is about 1075.9358931072.

Adding to 1245544325 its reverse (5234455421), we get a palindrome (6479999746).

The spelling of 1245544325 in words is "one billion, two hundred forty-five million, five hundred forty-four thousand, three hundred twenty-five".