1243452325 has 12 divisors (see below), whose sum is σ = 1543489380. Its totient is φ = 993724160.

The previous prime is 1243452281. The next prime is 1243452341. The reversal of 1243452325 is 5232543421.

It can be written as a sum of positive squares in 6 ways, for example, as 43681 + 1243408644 = 209^2 + 35262^2 .

It is not a de Polignac number, because 1243452325 - 2¹¹ = 1243450277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1030 + ... + 49879.

It is an arithmetic number, because the mean of its divisors is an integer number (128624115).

Almost surely, 2^1243452325 is an apocalyptic number.

It is an amenable number.

1243452325 is a deficient number, since it is larger than the sum of its proper divisors (300037055).

1243452325 is an equidigital number, since it uses as much as digits as its factorization.

1243452325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51896 (or 51891 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 1243452325 is about 35262.6193723609. The cubic root of 1243452325 is about 1075.3331795811. Note that the first 3 decimals are identical.

Adding to 1243452325 its reverse (5232543421), we get a palindrome (6475995746).

The spelling of 1243452325 in words is "one billion, two hundred forty-three million, four hundred fifty-two thousand, three hundred twenty-five".