245424505 has 4 divisors (see below), whose sum is σ = 294509412. Its totient is φ = 196339600.

The previous prime is 245424497. The next prime is 245424523. The reversal of 245424505 is 505424542.

245424505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39100009 + 206324496 = 6253^2 + 14364^2 .

It is not a de Polignac number, because 245424505 - 2³ = 245424497 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24542446 + ... + 24542455.

It is an arithmetic number, because the mean of its divisors is an integer number (73627353).

Almost surely, 2^245424505 is an apocalyptic number.

It is an amenable number.

245424505 is a deficient number, since it is larger than the sum of its proper divisors (49084907).

245424505 is an equidigital number, since it uses as much as digits as its factorization.

245424505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49084906.

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 245424505 is about 15666.0302884936. The cubic root of 245424505 is about 626.0936627267.

The spelling of 245424505 in words is "two hundred forty-five million, four hundred twenty-four thousand, five hundred five".