245455513 has 8 divisors (see below), whose sum is σ = 247595040. Its totient is φ = 243321600.

The previous prime is 245455501. The next prime is 245455519. The reversal of 245455513 is 315554542.

245455513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245455513 - 2¹⁷ = 245324441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245455519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168438 + ... + 169888.

It is an arithmetic number, because the mean of its divisors is an integer number (30949380).

Almost surely, 2^245455513 is an apocalyptic number.

It is an amenable number.

245455513 is a deficient number, since it is larger than the sum of its proper divisors (2139527).

245455513 is a wasteful number, since it uses less digits than its factorization.

245455513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807.

The product of its digits is 60000, while the sum is 34.

The square root of 245455513 is about 15667.0199144572. The cubic root of 245455513 is about 626.1200294156.

The spelling of 245455513 in words is "two hundred forty-five million, four hundred fifty-five thousand, five hundred thirteen".