245316217037 has 4 divisors (see below), whose sum is σ = 245342265756. Its totient is φ = 245290168320.

The previous prime is 245316217031. The next prime is 245316217039. The reversal of 245316217037 is 730712613542.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 177017098756 + 68299118281 = 420734^2 + 261341^2 .

It is a cyclic number.

It is not a de Polignac number, because 245316217037 - 2¹⁴ = 245316200653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 245316216985 and 245316217003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245316217031) 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, 13010228 + ... + 13029069.

It is an arithmetic number, because the mean of its divisors is an integer number (61335566439).

Almost surely, 2^245316217037 is an apocalyptic number.

It is an amenable number.

245316217037 is a deficient number, since it is larger than the sum of its proper divisors (26048719).

245316217037 is an equidigital number, since it uses as much as digits as its factorization.

245316217037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26048718.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 245316217037 in words is "two hundred forty-five billion, three hundred sixteen million, two hundred seventeen thousand, thirty-seven".