245217067 has 4 divisors (see below), whose sum is σ = 247745176. Its totient is φ = 242688960.

The previous prime is 245217041. The next prime is 245217073. The reversal of 245217067 is 760712542.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 760712542 = 2 ⋅380356271.

It is a cyclic number.

It is not a de Polignac number, because 245217067 - 2¹⁹ = 244692779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245217017) 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, 1263909 + ... + 1264102.

It is an arithmetic number, because the mean of its divisors is an integer number (61936294).

Almost surely, 2^245217067 is an apocalyptic number.

245217067 is a deficient number, since it is larger than the sum of its proper divisors (2528109).

245217067 is an equidigital number, since it uses as much as digits as its factorization.

245217067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528108.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 245217067 is about 15659.4082582964. The cubic root of 245217067 is about 625.9172171219.

The spelling of 245217067 in words is "two hundred forty-five million, two hundred seventeen thousand, sixty-seven".