140425225 has 6 divisors (see below), whose sum is σ = 174127310. Its totient is φ = 112340160.

The previous prime is 140425223. The next prime is 140425303. The reversal of 140425225 is 522524041.

It can be written as a sum of positive squares in 3 ways, for example, as 18079504 + 122345721 = 4252^2 + 11061^2 .

It is not a de Polignac number, because 140425225 - 2¹ = 140425223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 5617009 = 140425225 / (1 + 4 + 0 + 4 + 2 + 5 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 140425225.

It is not an unprimeable number, because it can be changed into a prime (140425223) 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, 2808480 + ... + 2808529.

Almost surely, 2^140425225 is an apocalyptic number.

It is an amenable number.

140425225 is a deficient number, since it is larger than the sum of its proper divisors (33702085).

140425225 is an equidigital number, since it uses as much as digits as its factorization.

140425225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617019 (or 5617014 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 140425225 is about 11850.1149783451. The cubic root of 140425225 is about 519.7745879523.

Adding to 140425225 its reverse (522524041), we get a palindrome (662949266).

The spelling of 140425225 in words is "one hundred forty million, four hundred twenty-five thousand, two hundred twenty-five".