245165313 has 16 divisors (see below), whose sum is σ = 346458816. Its totient is φ = 153676800.

The previous prime is 245165311. The next prime is 245165351. The reversal of 245165313 is 313561542.

245165313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245165313 - 2¹ = 245165311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245165311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72345 + ... + 75657.

It is an arithmetic number, because the mean of its divisors is an integer number (21653676).

Almost surely, 2^245165313 is an apocalyptic number.

It is an amenable number.

245165313 is a deficient number, since it is larger than the sum of its proper divisors (101293503).

245165313 is a wasteful number, since it uses less digits than its factorization.

245165313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4784.

The product of its digits is 10800, while the sum is 30.

The square root of 245165313 is about 15657.7556820893. The cubic root of 245165313 is about 625.8731799494.

The spelling of 245165313 in words is "two hundred forty-five million, one hundred sixty-five thousand, three hundred thirteen".