245250426 has 32 divisors (see below), whose sum is σ = 512645760. Its totient is φ = 78070784.

The previous prime is 245250389. The next prime is 245250431. The reversal of 245250426 is 624052542.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245250393 and 245250402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127246 + ... + 129158.

It is an arithmetic number, because the mean of its divisors is an integer number (16020180).

Almost surely, 2^245250426 is an apocalyptic number.

245250426 is an abundant number, since it is smaller than the sum of its proper divisors (267395334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

245250426 is a wasteful number, since it uses less digits than its factorization.

245250426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 245250426 is about 15660.4733644932. The cubic root of 245250426 is about 625.9455988138.

The spelling of 245250426 in words is "two hundred forty-five million, two hundred fifty thousand, four hundred twenty-six".