245796769 has 4 divisors (see below), whose sum is σ = 247591044. Its totient is φ = 244002496.

The previous prime is 245796757. The next prime is 245796823. The reversal of 245796769 is 967697542.

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 175907169 + 69889600 = 13263^2 + 8360^2 .

It is a cyclic number.

It is not a de Polignac number, because 245796769 - 2¹³ = 245788577 is a prime.

It is a super-2 number, since 2×245796769² = 120832103301678722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245796269) 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, 896932 + ... + 897205.

It is an arithmetic number, because the mean of its divisors is an integer number (61897761).

Almost surely, 2^245796769 is an apocalyptic number.

It is an amenable number.

245796769 is a deficient number, since it is larger than the sum of its proper divisors (1794275).

245796769 is a wasteful number, since it uses less digits than its factorization.

245796769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1794274.

The product of its digits is 5715360, while the sum is 55.

The square root of 245796769 is about 15677.9070350605. The cubic root of 245796769 is about 626.4100592602.

The spelling of 245796769 in words is "two hundred forty-five million, seven hundred ninety-six thousand, seven hundred sixty-nine".