245540713 has 16 divisors (see below), whose sum is σ = 273715200. Its totient is φ = 218379280.

The previous prime is 245540699. The next prime is 245540717. The reversal of 245540713 is 317045542.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245540713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (245540717) 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, 154320 + ... + 155902.

It is an arithmetic number, because the mean of its divisors is an integer number (17107200).

Almost surely, 2^245540713 is an apocalyptic number.

It is an amenable number.

245540713 is a deficient number, since it is larger than the sum of its proper divisors (28174487).

245540713 is a wasteful number, since it uses less digits than its factorization.

245540713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 245540713 is about 15669.7387661697. The cubic root of 245540713 is about 626.1924651560.

The spelling of 245540713 in words is "two hundred forty-five million, five hundred forty thousand, seven hundred thirteen".