1731240325 has 12 divisors (see below), whose sum is σ = 2163129408. Its totient is φ = 1374417200.

The previous prime is 1731240317. The next prime is 1731240349. The reversal of 1731240325 is 5230421371.

It is not a de Polignac number, because 1731240325 - 2³ = 1731240317 is a prime.

It is a super-2 number, since 2×1731240325² = 5994386125812211250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1731240293 and 1731240302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261037 + ... + 267586.

It is an arithmetic number, because the mean of its divisors is an integer number (180260784).

Almost surely, 2^1731240325 is an apocalyptic number.

It is an amenable number.

1731240325 is a deficient number, since it is larger than the sum of its proper divisors (431889083).

1731240325 is a wasteful number, since it uses less digits than its factorization.

1731240325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528764 (or 528759 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 1731240325 is about 41608.1761796885. The cubic root of 1731240325 is about 1200.7496068753.

Adding to 1731240325 its reverse (5230421371), we get a palindrome (6961661696).

The spelling of 1731240325 in words is "one billion, seven hundred thirty-one million, two hundred forty thousand, three hundred twenty-five".