245534513 has 4 divisors (see below), whose sum is σ = 280610880. Its totient is φ = 210458148.

The previous prime is 245534507. The next prime is 245534573. The reversal of 245534513 is 315435542.

It is a happy number.

245534513 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245534513 - 2¹⁴ = 245518129 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 245534513.

It is not an unprimeable number, because it can be changed into a prime (245534573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17538173 + ... + 17538186.

It is an arithmetic number, because the mean of its divisors is an integer number (70152720).

Almost surely, 2^245534513 is an apocalyptic number.

It is an amenable number.

245534513 is a deficient number, since it is larger than the sum of its proper divisors (35076367).

245534513 is an equidigital number, since it uses as much as digits as its factorization.

245534513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35076366.

The product of its digits is 36000, while the sum is 32.

The square root of 245534513 is about 15669.5409313738. The cubic root of 245534513 is about 626.1871945759.

The spelling of 245534513 in words is "two hundred forty-five million, five hundred thirty-four thousand, five hundred thirteen".