245565331 has 8 divisors (see below), whose sum is σ = 268107264. Its totient is φ = 223059720.

The previous prime is 245565311. The next prime is 245565349. The reversal of 245565331 is 133565542.

245565331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245565331 - 2¹³ = 245557139 is a prime.

It is a super-2 number, since 2×245565331² = 120604663578279122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245565311) 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, 6186 + ... + 23008.

It is an arithmetic number, because the mean of its divisors is an integer number (33513408).

Almost surely, 2^245565331 is an apocalyptic number.

245565331 is a deficient number, since it is larger than the sum of its proper divisors (22541933).

245565331 is a wasteful number, since it uses less digits than its factorization.

245565331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18161.

The product of its digits is 54000, while the sum is 34.

The square root of 245565331 is about 15670.5242732973. The cubic root of 245565331 is about 626.2133918837.

The spelling of 245565331 in words is "two hundred forty-five million, five hundred sixty-five thousand, three hundred thirty-one".