1203631325 has 24 divisors (see below), whose sum is σ = 1637660808. Its totient is φ = 872052480.

The previous prime is 1203631309. The next prime is 1203631333. The reversal of 1203631325 is 5231363021.

It can be written as a sum of positive squares in 12 ways, for example, as 786409849 + 417221476 = 28043^2 + 20426^2 .

It is not a de Polignac number, because 1203631325 - 2⁴ = 1203631309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1203631294 and 1203631303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17714 + ... + 52163.

It is an arithmetic number, because the mean of its divisors is an integer number (68235867).

Almost surely, 2^1203631325 is an apocalyptic number.

It is an amenable number.

1203631325 is a deficient number, since it is larger than the sum of its proper divisors (434029483).

1203631325 is a wasteful number, since it uses less digits than its factorization.

1203631325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69953 (or 69948 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1203631325 is about 34693.3902206170. The cubic root of 1203631325 is about 1063.7293949391.

Adding to 1203631325 its reverse (5231363021), we get a palindrome (6434994346).

The spelling of 1203631325 in words is "one billion, two hundred three million, six hundred thirty-one thousand, three hundred twenty-five".