245577913 has 8 divisors (see below), whose sum is σ = 284505728. Its totient is φ = 207611424.

The previous prime is 245577911. The next prime is 245577931. The reversal of 245577913 is 319775542.

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 245577913 - 2¹ = 245577911 is a prime.

It is a super-2 number, since 2×245577913² = 120617022706871138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245577913.

It is not an unprimeable number, because it can be changed into a prime (245577911) 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, 239781 + ... + 240802.

It is an arithmetic number, because the mean of its divisors is an integer number (35563216).

Almost surely, 2^245577913 is an apocalyptic number.

It is an amenable number.

245577913 is a deficient number, since it is larger than the sum of its proper divisors (38927815).

245577913 is an equidigital number, since it uses as much as digits as its factorization.

245577913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480663.

The product of its digits is 264600, while the sum is 43.

The square root of 245577913 is about 15670.9257224964. The cubic root of 245577913 is about 626.2240867734.

The spelling of 245577913 in words is "two hundred forty-five million, five hundred seventy-seven thousand, nine hundred thirteen".