245137017 has 8 divisors (see below), whose sum is σ = 326995200. Its totient is φ = 163351760.

The previous prime is 245137001. The next prime is 245137019. The reversal of 245137017 is 710731542.

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 245137017 - 2⁴ = 245137001 is a prime.

It is a super-4 number, since 4×245137017⁴ (a number of 35 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (245137019) 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, 9834 + ... + 24227.

It is an arithmetic number, because the mean of its divisors is an integer number (40874400).

Almost surely, 2^245137017 is an apocalyptic number.

It is an amenable number.

245137017 is a deficient number, since it is larger than the sum of its proper divisors (81858183).

245137017 is a wasteful number, since it uses less digits than its factorization.

245137017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36463.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 245137017 is about 15656.8520782436. The cubic root of 245137017 is about 625.8491004298.

Adding to 245137017 its reverse (710731542), we get a palindrome (955868559).

The spelling of 245137017 in words is "two hundred forty-five million, one hundred thirty-seven thousand, seventeen".