245577652 has 12 divisors (see below), whose sum is σ = 432246276. Its totient is φ = 122078720.

The previous prime is 245577649. The next prime is 245577653. The reversal of 245577652 is 256775542.

It can be written as a sum of positive squares in 2 ways, for example, as 140801956 + 104775696 = 11866^2 + 10236^2 .

It is a junction number, because it is equal to n+sod(n) for n = 245577599 and 245577608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245577653) 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, 176749 + ... + 178132.

It is an arithmetic number, because the mean of its divisors is an integer number (36020523).

Almost surely, 2^245577652 is an apocalyptic number.

It is an amenable number.

245577652 is a deficient number, since it is larger than the sum of its proper divisors (186668624).

245577652 is a wasteful number, since it uses less digits than its factorization.

245577652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355058 (or 355056 counting only the distinct ones).

The product of its digits is 588000, while the sum is 43.

The square root of 245577652 is about 15670.9173949709. The cubic root of 245577652 is about 626.2238649231.

The spelling of 245577652 in words is "two hundred forty-five million, five hundred seventy-seven thousand, six hundred fifty-two".