245516211 has 16 divisors (see below), whose sum is σ = 364262400. Its totient is φ = 163436904.

The previous prime is 245516179. The next prime is 245516213. The reversal of 245516211 is 112615542.

It is not a de Polignac number, because 245516211 - 2⁵ = 245516179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (245516213) 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, 13090 + ... + 25736.

It is an arithmetic number, because the mean of its divisors is an integer number (22766400).

Almost surely, 2^245516211 is an apocalyptic number.

245516211 is a deficient number, since it is larger than the sum of its proper divisors (118746189).

245516211 is a wasteful number, since it uses less digits than its factorization.

245516211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13375 (or 13369 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 245516211 is about 15668.9569212504. The cubic root of 245516211 is about 626.1716356461.

The spelling of 245516211 in words is "two hundred forty-five million, five hundred sixteen thousand, two hundred eleven".