245579081 has 16 divisors (see below), whose sum is σ = 272559168. Its totient is φ = 219398400.

The previous prime is 245579069. The next prime is 245579083. The reversal of 245579081 is 180975542.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245579081 is a prime.

It is a super-2 number, since 2×245579081² = 120618170049609122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (245579083) 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, 418070 + ... + 418656.

It is an arithmetic number, because the mean of its divisors is an integer number (17034948).

Almost surely, 2^245579081 is an apocalyptic number.

It is an amenable number.

245579081 is a deficient number, since it is larger than the sum of its proper divisors (26980087).

245579081 is a wasteful number, since it uses less digits than its factorization.

245579081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1192.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 245579081 is about 15670.9629889168. The cubic root of 245579081 is about 626.2250795724.

The spelling of 245579081 in words is "two hundred forty-five million, five hundred seventy-nine thousand, eighty-one".