245162565 has 64 divisors (see below), whose sum is σ = 450489600. Its totient is φ = 126427392.

The previous prime is 245162527. The next prime is 245162569. The reversal of 245162565 is 565261542.

245162565 is a `hidden beast` number, since 24 + 5 + 1 + 625 + 6 + 5 = 666.

245162565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 245162565 - 2¹⁶ = 245097029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245162569) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 911251 + ... + 911519.

It is an arithmetic number, because the mean of its divisors is an integer number (7038900).

Almost surely, 2^245162565 is an apocalyptic number.

It is an amenable number.

245162565 is a deficient number, since it is larger than the sum of its proper divisors (205327035).

245162565 is a wasteful number, since it uses less digits than its factorization.

245162565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 477 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 245162565 is about 15657.6679298036. The cubic root of 245162565 is about 625.8708415192.

The spelling of 245162565 in words is "two hundred forty-five million, one hundred sixty-two thousand, five hundred sixty-five".