245040425 has 18 divisors (see below), whose sum is σ = 353460078. Its totient is φ = 168026880.

The previous prime is 245040421. The next prime is 245040449. The reversal of 245040425 is 524040542.

It can be written as a sum of positive squares in 3 ways, for example, as 35485849 + 209554576 = 5957^2 + 14476^2 .

It is not a de Polignac number, because 245040425 - 2² = 245040421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245040394 and 245040403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245040421) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 98792 + ... + 101241.

It is an arithmetic number, because the mean of its divisors is an integer number (19636671).

Almost surely, 2^245040425 is an apocalyptic number.

245040425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245040425 is a deficient number, since it is larger than the sum of its proper divisors (108419653).

245040425 is a wasteful number, since it uses less digits than its factorization.

245040425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200057 (or 200045 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 245040425 is about 15653.7671184926. The cubic root of 245040425 is about 625.7668879610.

Adding to 245040425 its reverse (524040542), we get a palindrome (769080967).

It can be divided in two parts, 2450 and 40425, that added together give a cube (42875 = 35³).

The spelling of 245040425 in words is "two hundred forty-five million, forty thousand, four hundred twenty-five".