245050513 has 4 divisors (see below), whose sum is σ = 245982528. Its totient is φ = 244118500.

The previous prime is 245050511. The next prime is 245050523. The reversal of 245050513 is 315050542.

245050513 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, and also an emirpimes, since its reverse is a distinct semiprime: 315050542 = 2 ⋅157525271.

It is a cyclic number.

It is not a de Polignac number, because 245050513 - 2¹ = 245050511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245050511) 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, 465613 + ... + 466138.

It is an arithmetic number, because the mean of its divisors is an integer number (61495632).

Almost surely, 2^245050513 is an apocalyptic number.

It is an amenable number.

245050513 is a deficient number, since it is larger than the sum of its proper divisors (932015).

245050513 is an equidigital number, since it uses as much as digits as its factorization.

245050513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 932014.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 245050513 is about 15654.0893379334. The cubic root of 245050513 is about 625.7754751832.

The spelling of 245050513 in words is "two hundred forty-five million, fifty thousand, five hundred thirteen".