140247325 has 12 divisors (see below), whose sum is σ = 174143988. Its totient is φ = 112044800.

The previous prime is 140247257. The next prime is 140247329. The reversal of 140247325 is 523742041.

It can be written as a sum of positive squares in 6 ways, for example, as 28965924 + 111281401 = 5382^2 + 10549^2 .

It is not a de Polignac number, because 140247325 - 2⁷ = 140247197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140247293 and 140247302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140247329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17109 + ... + 23941.

It is an arithmetic number, because the mean of its divisors is an integer number (14511999).

Almost surely, 2^140247325 is an apocalyptic number.

It is an amenable number.

140247325 is a deficient number, since it is larger than the sum of its proper divisors (33896663).

140247325 is an equidigital number, since it uses as much as digits as its factorization.

140247325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664 (or 7659 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 140247325 is about 11842.6063432000. The cubic root of 140247325 is about 519.5550002088. Note that the first 3 decimals are identical.

Adding to 140247325 its reverse (523742041), we get a palindrome (663989366).

The spelling of 140247325 in words is "one hundred forty million, two hundred forty-seven thousand, three hundred twenty-five".