245466513 has 12 divisors (see below), whose sum is σ = 354800628. Its totient is φ = 163534560.

The previous prime is 245466503. The next prime is 245466521. The reversal of 245466513 is 315664542.

It can be written as a sum of positive squares in 2 ways, for example, as 51365889 + 194100624 = 7167^2 + 13932^2 .

It is not a de Polignac number, because 245466513 - 2⁴ = 245466497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245466503) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6403 + ... + 23063.

It is an arithmetic number, because the mean of its divisors is an integer number (29566719).

Almost surely, 2^245466513 is an apocalyptic number.

It is an amenable number.

245466513 is a deficient number, since it is larger than the sum of its proper divisors (109334115).

245466513 is a wasteful number, since it uses less digits than its factorization.

245466513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18304 (or 18301 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 245466513 is about 15667.3709664385. The cubic root of 245466513 is about 626.1293823901.

The spelling of 245466513 in words is "two hundred forty-five million, four hundred sixty-six thousand, five hundred thirteen".