1253331325 has 6 divisors (see below), whose sum is σ = 1554130874. Its totient is φ = 1002665040.

The previous prime is 1253331323. The next prime is 1253331361. The reversal of 1253331325 is 5231333521.

It can be written as a sum of positive squares in 3 ways, for example, as 55756089 + 1197575236 = 7467^2 + 34606^2 .

It is not a de Polignac number, because 1253331325 - 2¹ = 1253331323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1253331293 and 1253331302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253331323) 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, 25066602 + ... + 25066651.

Almost surely, 2^1253331325 is an apocalyptic number.

It is an amenable number.

1253331325 is a deficient number, since it is larger than the sum of its proper divisors (300799549).

1253331325 is an equidigital number, since it uses as much as digits as its factorization.

1253331325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50133263 (or 50133258 counting only the distinct ones).

The product of its digits is 8100, while the sum is 28.

The square root of 1253331325 is about 35402.4197619315. The cubic root of 1253331325 is about 1078.1734457822.

Adding to 1253331325 its reverse (5231333521), we get a palindrome (6484664846).

The spelling of 1253331325 in words is "one billion, two hundred fifty-three million, three hundred thirty-one thousand, three hundred twenty-five".