245564331 has 16 divisors (see below), whose sum is σ = 336351744. Its totient is φ = 159284384.

The previous prime is 245564323. The next prime is 245564351. The reversal of 245564331 is 133465542.

245564331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 245564331 - 2³ = 245564323 is a prime.

It is a super-2 number, since 2×245564331² = 120603681318955122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 245564292 and 245564301.

It is not an unprimeable number, because it can be changed into a prime (245564351) 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, 19360 + ... + 29426.

It is an arithmetic number, because the mean of its divisors is an integer number (21021984).

Almost surely, 2^245564331 is an apocalyptic number.

245564331 is a deficient number, since it is larger than the sum of its proper divisors (90787413).

245564331 is a wasteful number, since it uses less digits than its factorization.

245564331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10290.

The product of its digits is 43200, while the sum is 33.

The square root of 245564331 is about 15670.4923662277. The cubic root of 245564331 is about 626.2125418530.

The spelling of 245564331 in words is "two hundred forty-five million, five hundred sixty-four thousand, three hundred thirty-one".